Home / 387,151,921.80-580,727,882.70-344,825,598.60

Finding the Fourth Proportional to 387,151,921.80, 580,727,882.70 and 344,825,598.60

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Solution

The fourth proportional to 387,151,921.80, 580,727,882.70 and 344,825,598.60 is: 517,238,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,151,921.80 : 580,727,882.70 = 344,825,598.60 : x
  2. Step 2: Convert to fraction form
    387,151,921.80/580,727,882.70 = 344,825,598.60/x
  3. Step 3: Cross multiply
    387,151,921.80x = 580,727,882.70 × 344,825,598.60
  4. Step 4: Simplify right side
    387,151,921.80x = 200,249,839,775,738,112
  5. Step 5: Solve for x
    x = 200,249,839,775,738,112/387,151,921.80
  6. Step 6: Final answer
    x = 517,238,397.90

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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.