Home / 739,437,789.67-1,020,456,034.47-409,412,957.83

Finding the Fourth Proportional to 739,437,789.67, 1,020,456,034.47 and 409,412,957.83

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Solution

The fourth proportional to 739,437,789.67, 1,020,456,034.47 and 409,412,957.83 is: 565,007,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,437,789.67 : 1,020,456,034.47 = 409,412,957.83 : x
  2. Step 2: Convert to fraction form
    739,437,789.67/1,020,456,034.47 = 409,412,957.83/x
  3. Step 3: Cross multiply
    739,437,789.67x = 1,020,456,034.47 × 409,412,957.83
  4. Step 4: Simplify right side
    739,437,789.67x = 417,787,923,407,835,136
  5. Step 5: Solve for x
    x = 417,787,923,407,835,136/739,437,789.67
  6. Step 6: Final answer
    x = 565,007,535.79

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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.