Home / 807,765,177.50-1,209,162,663.72-527,041,625.13

Finding the Fourth Proportional to 807,765,177.50, 1,209,162,663.72 and 527,041,625.13

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Solution

The fourth proportional to 807,765,177.50, 1,209,162,663.72 and 527,041,625.13 is: 788,940,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,765,177.50 : 1,209,162,663.72 = 527,041,625.13 : x
  2. Step 2: Convert to fraction form
    807,765,177.50/1,209,162,663.72 = 527,041,625.13/x
  3. Step 3: Cross multiply
    807,765,177.50x = 1,209,162,663.72 × 527,041,625.13
  4. Step 4: Simplify right side
    807,765,177.50x = 637,279,055,333,508,480
  5. Step 5: Solve for x
    x = 637,279,055,333,508,480/807,765,177.50
  6. Step 6: Final answer
    x = 788,940,985.68

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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.