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Finding the Fourth Proportional to 559,874,016.80, 839,811,025.20 and 284,375,002.40

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Solution

The fourth proportional to 559,874,016.80, 839,811,025.20 and 284,375,002.40 is: 426,562,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,016.80 : 839,811,025.20 = 284,375,002.40 : x
  2. Step 2: Convert to fraction form
    559,874,016.80/839,811,025.20 = 284,375,002.40/x
  3. Step 3: Cross multiply
    559,874,016.80x = 839,811,025.20 × 284,375,002.40
  4. Step 4: Simplify right side
    559,874,016.80x = 238,821,262,306,796,448
  5. Step 5: Solve for x
    x = 238,821,262,306,796,448/559,874,016.80
  6. Step 6: Final answer
    x = 426,562,503.60

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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.