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Finding the Fourth Proportional to 559,872,079.40, 839,808,119.10 and 471,188,354.60

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Solution

The fourth proportional to 559,872,079.40, 839,808,119.10 and 471,188,354.60 is: 706,782,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,079.40 : 839,808,119.10 = 471,188,354.60 : x
  2. Step 2: Convert to fraction form
    559,872,079.40/839,808,119.10 = 471,188,354.60/x
  3. Step 3: Cross multiply
    559,872,079.40x = 839,808,119.10 × 471,188,354.60
  4. Step 4: Simplify right side
    559,872,079.40x = 395,707,805,818,449,856
  5. Step 5: Solve for x
    x = 395,707,805,818,449,856/559,872,079.40
  6. Step 6: Final answer
    x = 706,782,531.90

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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.