Home / 561,766,169.28-775,238,589.04-310,888,816.40

Finding the Fourth Proportional to 561,766,169.28, 775,238,589.04 and 310,888,816.40

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Solution

The fourth proportional to 561,766,169.28, 775,238,589.04 and 310,888,816.40 is: 429,027,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,766,169.28 : 775,238,589.04 = 310,888,816.40 : x
  2. Step 2: Convert to fraction form
    561,766,169.28/775,238,589.04 = 310,888,816.40/x
  3. Step 3: Cross multiply
    561,766,169.28x = 775,238,589.04 × 310,888,816.40
  4. Step 4: Simplify right side
    561,766,169.28x = 241,013,007,374,251,584
  5. Step 5: Solve for x
    x = 241,013,007,374,251,584/561,766,169.28
  6. Step 6: Final answer
    x = 429,027,272.47

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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.