Home / 1,036,971,513.17-1,431,131,586.82-635,351,793.71

Finding the Fourth Proportional to 1,036,971,513.17, 1,431,131,586.82 and 635,351,793.71

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Solution

The fourth proportional to 1,036,971,513.17, 1,431,131,586.82 and 635,351,793.71 is: 876,853,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,971,513.17 : 1,431,131,586.82 = 635,351,793.71 : x
  2. Step 2: Convert to fraction form
    1,036,971,513.17/1,431,131,586.82 = 635,351,793.71/x
  3. Step 3: Cross multiply
    1,036,971,513.17x = 1,431,131,586.82 × 635,351,793.71
  4. Step 4: Simplify right side
    1,036,971,513.17x = 909,272,020,714,160,640
  5. Step 5: Solve for x
    x = 909,272,020,714,160,640/1,036,971,513.17
  6. Step 6: Final answer
    x = 876,853,422.84

Related Problems

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Half scale
Find fourth proportional to 2,073,943,026.34, 2,862,263,173.64 and 1,270,703,587.41
Double scale
Find fourth proportional to 1,036,971,514.17, 1,431,131,588.20 and 635,351,794.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.