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Finding the Fourth Proportional to 559,876,008.80, 839,814,013.20 and 354,291,010.40

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Solution

The fourth proportional to 559,876,008.80, 839,814,013.20 and 354,291,010.40 is: 531,436,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,008.80 : 839,814,013.20 = 354,291,010.40 : x
  2. Step 2: Convert to fraction form
    559,876,008.80/839,814,013.20 = 354,291,010.40/x
  3. Step 3: Cross multiply
    559,876,008.80x = 839,814,013.20 × 354,291,010.40
  4. Step 4: Simplify right side
    559,876,008.80x = 297,538,555,284,706,944
  5. Step 5: Solve for x
    x = 297,538,555,284,706,944/559,876,008.80
  6. Step 6: Final answer
    x = 531,436,515.60

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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.