Home / 739,437,782.92-1,020,456,025.20-409,412,951.08

Finding the Fourth Proportional to 739,437,782.92, 1,020,456,025.20 and 409,412,951.08

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Solution

The fourth proportional to 739,437,782.92, 1,020,456,025.20 and 409,412,951.08 is: 565,007,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,437,782.92 : 1,020,456,025.20 = 409,412,951.08 : x
  2. Step 2: Convert to fraction form
    739,437,782.92/1,020,456,025.20 = 409,412,951.08/x
  3. Step 3: Cross multiply
    739,437,782.92x = 1,020,456,025.20 × 409,412,951.08
  4. Step 4: Simplify right side
    739,437,782.92x = 417,787,912,724,498,880
  5. Step 5: Solve for x
    x = 417,787,912,724,498,880/739,437,782.92
  6. Step 6: Final answer
    x = 565,007,526.49

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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.