Home / 391,026,534.75-586,615,333.01-148,670,594.91

Finding the Fourth Proportional to 391,026,534.75, 586,615,333.01 and 148,670,594.91

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Solution

The fourth proportional to 391,026,534.75, 586,615,333.01 and 148,670,594.91 is: 223,034,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026,534.75 : 586,615,333.01 = 148,670,594.91 : x
  2. Step 2: Convert to fraction form
    391,026,534.75/586,615,333.01 = 148,670,594.91/x
  3. Step 3: Cross multiply
    391,026,534.75x = 586,615,333.01 × 148,670,594.91
  4. Step 4: Simplify right side
    391,026,534.75x = 87,212,450,541,181,104
  5. Step 5: Solve for x
    x = 87,212,450,541,181,104/391,026,534.75
  6. Step 6: Final answer
    x = 223,034,609.65

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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.