Home / 672,415,311.60-928,230,678.25-434,376,560.59

Finding the Fourth Proportional to 672,415,311.60, 928,230,678.25 and 434,376,560.59

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Solution

The fourth proportional to 672,415,311.60, 928,230,678.25 and 434,376,560.59 is: 599,631,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,415,311.60 : 928,230,678.25 = 434,376,560.59 : x
  2. Step 2: Convert to fraction form
    672,415,311.60/928,230,678.25 = 434,376,560.59/x
  3. Step 3: Cross multiply
    672,415,311.60x = 928,230,678.25 × 434,376,560.59
  4. Step 4: Simplify right side
    672,415,311.60x = 403,201,649,451,396,928
  5. Step 5: Solve for x
    x = 403,201,649,451,396,928/672,415,311.60
  6. Step 6: Final answer
    x = 599,631,868.13

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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.