Home / 1,040,074,612.20-1,560,111,918.30-349,752,436.20

Finding the Fourth Proportional to 1,040,074,612.20, 1,560,111,918.30 and 349,752,436.20

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Solution

The fourth proportional to 1,040,074,612.20, 1,560,111,918.30 and 349,752,436.20 is: 524,628,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,074,612.20 : 1,560,111,918.30 = 349,752,436.20 : x
  2. Step 2: Convert to fraction form
    1,040,074,612.20/1,560,111,918.30 = 349,752,436.20/x
  3. Step 3: Cross multiply
    1,040,074,612.20x = 1,560,111,918.30 × 349,752,436.20
  4. Step 4: Simplify right side
    1,040,074,612.20x = 545,652,944,170,080,320
  5. Step 5: Solve for x
    x = 545,652,944,170,080,320/1,040,074,612.20
  6. Step 6: Final answer
    x = 524,628,654.30

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Half scale
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Double scale
Find fourth proportional to 1,040,074,613.20, 1,560,111,919.80 and 349,752,437.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.