Home / 359,221,334.40-538,832,001.60-281,737,236.60

Finding the Fourth Proportional to 359,221,334.40, 538,832,001.60 and 281,737,236.60

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Solution

The fourth proportional to 359,221,334.40, 538,832,001.60 and 281,737,236.60 is: 422,605,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,221,334.40 : 538,832,001.60 = 281,737,236.60 : x
  2. Step 2: Convert to fraction form
    359,221,334.40/538,832,001.60 = 281,737,236.60/x
  3. Step 3: Cross multiply
    359,221,334.40x = 538,832,001.60 × 281,737,236.60
  4. Step 4: Simplify right side
    359,221,334.40x = 151,809,039,122,430,784
  5. Step 5: Solve for x
    x = 151,809,039,122,430,784/359,221,334.40
  6. Step 6: Final answer
    x = 422,605,854.90

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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.