Home / 869,234,115.28-1,304,387,471.64-402,808,600.24

Finding the Fourth Proportional to 869,234,115.28, 1,304,387,471.64 and 402,808,600.24

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Solution

The fourth proportional to 869,234,115.28, 1,304,387,471.64 and 402,808,600.24 is: 604,461,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,234,115.28 : 1,304,387,471.64 = 402,808,600.24 : x
  2. Step 2: Convert to fraction form
    869,234,115.28/1,304,387,471.64 = 402,808,600.24/x
  3. Step 3: Cross multiply
    869,234,115.28x = 1,304,387,471.64 × 402,808,600.24
  4. Step 4: Simplify right side
    869,234,115.28x = 525,418,491,621,901,120
  5. Step 5: Solve for x
    x = 525,418,491,621,901,120/869,234,115.28
  6. Step 6: Final answer
    x = 604,461,424.59

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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.