Home / 1,887,431,553.20-2,831,147,329.80-1,152,767,514.80

Finding the Fourth Proportional to 1,887,431,553.20, 2,831,147,329.80 and 1,152,767,514.80

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Solution

The fourth proportional to 1,887,431,553.20, 2,831,147,329.80 and 1,152,767,514.80 is: 1,729,151,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,431,553.20 : 2,831,147,329.80 = 1,152,767,514.80 : x
  2. Step 2: Convert to fraction form
    1,887,431,553.20/2,831,147,329.80 = 1,152,767,514.80/x
  3. Step 3: Cross multiply
    1,887,431,553.20x = 2,831,147,329.80 × 1,152,767,514.80
  4. Step 4: Simplify right side
    1,887,431,553.20x = 3,263,654,671,406,201,856
  5. Step 5: Solve for x
    x = 3,263,654,671,406,201,856/1,887,431,553.20
  6. Step 6: Final answer
    x = 1,729,151,272.20

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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.