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Finding the Fourth Proportional to 559,872,003.60, 839,808,005.40 and 171,691,750.80

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Solution

The fourth proportional to 559,872,003.60, 839,808,005.40 and 171,691,750.80 is: 257,537,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,003.60 : 839,808,005.40 = 171,691,750.80 : x
  2. Step 2: Convert to fraction form
    559,872,003.60/839,808,005.40 = 171,691,750.80/x
  3. Step 3: Cross multiply
    559,872,003.60x = 839,808,005.40 × 171,691,750.80
  4. Step 4: Simplify right side
    559,872,003.60x = 144,188,106,782,981,856
  5. Step 5: Solve for x
    x = 144,188,106,782,981,856/559,872,003.60
  6. Step 6: Final answer
    x = 257,537,626.20

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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.