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Finding the Fourth Proportional to 583,399,358.80, 874,551,607.80 and 220,137,816.40

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Solution

The fourth proportional to 583,399,358.80, 874,551,607.80 and 220,137,816.40 is: 330,000,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,399,358.80 : 874,551,607.80 = 220,137,816.40 : x
  2. Step 2: Convert to fraction form
    583,399,358.80/874,551,607.80 = 220,137,816.40/x
  3. Step 3: Cross multiply
    583,399,358.80x = 874,551,607.80 × 220,137,816.40
  4. Step 4: Simplify right side
    583,399,358.80x = 192,521,881,270,201,216
  5. Step 5: Solve for x
    x = 192,521,881,270,201,216/583,399,358.80
  6. Step 6: Final answer
    x = 330,000,159.18

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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.