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Finding the Fourth Proportional to 560,398,874.72, 839,869,186.08 and 228,018,530.66

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Solution

The fourth proportional to 560,398,874.72, 839,869,186.08 and 228,018,530.66 is: 341,731,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,398,874.72 : 839,869,186.08 = 228,018,530.66 : x
  2. Step 2: Convert to fraction form
    560,398,874.72/839,869,186.08 = 228,018,530.66/x
  3. Step 3: Cross multiply
    560,398,874.72x = 839,869,186.08 × 228,018,530.66
  4. Step 4: Simplify right side
    560,398,874.72x = 191,505,737,752,372,384
  5. Step 5: Solve for x
    x = 191,505,737,752,372,384/560,398,874.72
  6. Step 6: Final answer
    x = 341,731,124.73

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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.