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Finding the Fourth Proportional to 583,399,788.80, 874,552,252.80 and 220,138,246.40

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Solution

The fourth proportional to 583,399,788.80, 874,552,252.80 and 220,138,246.40 is: 330,000,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,399,788.80 : 874,552,252.80 = 220,138,246.40 : x
  2. Step 2: Convert to fraction form
    583,399,788.80/874,552,252.80 = 220,138,246.40/x
  3. Step 3: Cross multiply
    583,399,788.80x = 874,552,252.80 × 220,138,246.40
  4. Step 4: Simplify right side
    583,399,788.80x = 192,522,399,316,561,472
  5. Step 5: Solve for x
    x = 192,522,399,316,561,472/583,399,788.80
  6. Step 6: Final answer
    x = 330,000,803.93

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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.