Home / 539,430,700.38-744,414,367.41-291,912,054.54

Finding the Fourth Proportional to 539,430,700.38, 744,414,367.41 and 291,912,054.54

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Solution

The fourth proportional to 539,430,700.38, 744,414,367.41 and 291,912,054.54 is: 402,838,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,430,700.38 : 744,414,367.41 = 291,912,054.54 : x
  2. Step 2: Convert to fraction form
    539,430,700.38/744,414,367.41 = 291,912,054.54/x
  3. Step 3: Cross multiply
    539,430,700.38x = 744,414,367.41 × 291,912,054.54
  4. Step 4: Simplify right side
    539,430,700.38x = 217,303,527,419,747,520
  5. Step 5: Solve for x
    x = 217,303,527,419,747,520/539,430,700.38
  6. Step 6: Final answer
    x = 402,838,635.74

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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.