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Finding the Fourth Proportional to 559,874,117.70, 839,811,176.55 and 150,915,615.30

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Solution

The fourth proportional to 559,874,117.70, 839,811,176.55 and 150,915,615.30 is: 226,373,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,117.70 : 839,811,176.55 = 150,915,615.30 : x
  2. Step 2: Convert to fraction form
    559,874,117.70/839,811,176.55 = 150,915,615.30/x
  3. Step 3: Cross multiply
    559,874,117.70x = 839,811,176.55 × 150,915,615.30
  4. Step 4: Simplify right side
    559,874,117.70x = 126,740,620,444,860,192
  5. Step 5: Solve for x
    x = 126,740,620,444,860,192/559,874,117.70
  6. Step 6: Final answer
    x = 226,373,422.95

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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.