Home / 925,013,814-1,387,883,877.21-407,080,939.38

Finding the Fourth Proportional to 925,013,814, 1,387,883,877.21 and 407,080,939.38

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Solution

The fourth proportional to 925,013,814, 1,387,883,877.21 and 407,080,939.38 is: 610,781,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,013,814 : 1,387,883,877.21 = 407,080,939.38 : x
  2. Step 2: Convert to fraction form
    925,013,814/1,387,883,877.21 = 407,080,939.38/x
  3. Step 3: Cross multiply
    925,013,814x = 1,387,883,877.21 × 407,080,939.38
  4. Step 4: Simplify right side
    925,013,814x = 564,981,072,485,003,392
  5. Step 5: Solve for x
    x = 564,981,072,485,003,392/925,013,814
  6. Step 6: Final answer
    x = 610,781,227.19

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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.