Home / 894,391,478.15-1,341,861,015.05-458,001,143.15

Finding the Fourth Proportional to 894,391,478.15, 1,341,861,015.05 and 458,001,143.15

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Solution

The fourth proportional to 894,391,478.15, 1,341,861,015.05 and 458,001,143.15 is: 687,141,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,391,478.15 : 1,341,861,015.05 = 458,001,143.15 : x
  2. Step 2: Convert to fraction form
    894,391,478.15/1,341,861,015.05 = 458,001,143.15/x
  3. Step 3: Cross multiply
    894,391,478.15x = 1,341,861,015.05 × 458,001,143.15
  4. Step 4: Simplify right side
    894,391,478.15x = 614,573,878,840,273,536
  5. Step 5: Solve for x
    x = 614,573,878,840,273,536/894,391,478.15
  6. Step 6: Final answer
    x = 687,141,921.47

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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.