Home / 765,354,901.28-1,055,625,873.53-577,191,124.89

Finding the Fourth Proportional to 765,354,901.28, 1,055,625,873.53 and 577,191,124.89

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Solution

The fourth proportional to 765,354,901.28, 1,055,625,873.53 and 577,191,124.89 is: 796,098,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,354,901.28 : 1,055,625,873.53 = 577,191,124.89 : x
  2. Step 2: Convert to fraction form
    765,354,901.28/1,055,625,873.53 = 577,191,124.89/x
  3. Step 3: Cross multiply
    765,354,901.28x = 1,055,625,873.53 × 577,191,124.89
  4. Step 4: Simplify right side
    765,354,901.28x = 609,297,885,402,883,584
  5. Step 5: Solve for x
    x = 609,297,885,402,883,584/765,354,901.28
  6. Step 6: Final answer
    x = 796,098,495.47

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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.