Home / 925,013,812.50-1,387,883,874.96-407,080,937.88

Finding the Fourth Proportional to 925,013,812.50, 1,387,883,874.96 and 407,080,937.88

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Solution

The fourth proportional to 925,013,812.50, 1,387,883,874.96 and 407,080,937.88 is: 610,781,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,013,812.50 : 1,387,883,874.96 = 407,080,937.88 : x
  2. Step 2: Convert to fraction form
    925,013,812.50/1,387,883,874.96 = 407,080,937.88/x
  3. Step 3: Cross multiply
    925,013,812.50x = 1,387,883,874.96 × 407,080,937.88
  4. Step 4: Simplify right side
    925,013,812.50x = 564,981,069,487,245,440
  5. Step 5: Solve for x
    x = 564,981,069,487,245,440/925,013,812.50
  6. Step 6: Final answer
    x = 610,781,224.94

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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.