Home / 653,734,210.43-902,145,754.95-356,369,892.62

Finding the Fourth Proportional to 653,734,210.43, 902,145,754.95 and 356,369,892.62

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Solution

The fourth proportional to 653,734,210.43, 902,145,754.95 and 356,369,892.62 is: 491,786,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,734,210.43 : 902,145,754.95 = 356,369,892.62 : x
  2. Step 2: Convert to fraction form
    653,734,210.43/902,145,754.95 = 356,369,892.62/x
  3. Step 3: Cross multiply
    653,734,210.43x = 902,145,754.95 × 356,369,892.62
  4. Step 4: Simplify right side
    653,734,210.43x = 321,497,585,814,609,600
  5. Step 5: Solve for x
    x = 321,497,585,814,609,600/653,734,210.43
  6. Step 6: Final answer
    x = 491,786,387.63

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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.