Home / 384,939,749.70-577,409,624.55-126,092,553.30

Finding the Fourth Proportional to 384,939,749.70, 577,409,624.55 and 126,092,553.30

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Solution

The fourth proportional to 384,939,749.70, 577,409,624.55 and 126,092,553.30 is: 189,138,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,939,749.70 : 577,409,624.55 = 126,092,553.30 : x
  2. Step 2: Convert to fraction form
    384,939,749.70/577,409,624.55 = 126,092,553.30/x
  3. Step 3: Cross multiply
    384,939,749.70x = 577,409,624.55 × 126,092,553.30
  4. Step 4: Simplify right side
    384,939,749.70x = 72,807,053,859,503,856
  5. Step 5: Solve for x
    x = 72,807,053,859,503,856/384,939,749.70
  6. Step 6: Final answer
    x = 189,138,829.95

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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.