Home / 619,421,240.70-929,131,861.05-357,553,687.95

Finding the Fourth Proportional to 619,421,240.70, 929,131,861.05 and 357,553,687.95

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Solution

The fourth proportional to 619,421,240.70, 929,131,861.05 and 357,553,687.95 is: 536,330,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,421,240.70 : 929,131,861.05 = 357,553,687.95 : x
  2. Step 2: Convert to fraction form
    619,421,240.70/929,131,861.05 = 357,553,687.95/x
  3. Step 3: Cross multiply
    619,421,240.70x = 929,131,861.05 × 357,553,687.95
  4. Step 4: Simplify right side
    619,421,240.70x = 332,214,523,510,274,432
  5. Step 5: Solve for x
    x = 332,214,523,510,274,432/619,421,240.70
  6. Step 6: Final answer
    x = 536,330,531.93

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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.