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Finding the Fourth Proportional to 586,109,872.80, 878,978,152.80 and 192,545,344.80

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Solution

The fourth proportional to 586,109,872.80, 878,978,152.80 and 192,545,344.80 is: 288,756,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,109,872.80 : 878,978,152.80 = 192,545,344.80 : x
  2. Step 2: Convert to fraction form
    586,109,872.80/878,978,152.80 = 192,545,344.80/x
  3. Step 3: Cross multiply
    586,109,872.80x = 878,978,152.80 × 192,545,344.80
  4. Step 4: Simplify right side
    586,109,872.80x = 169,243,151,502,543,072
  5. Step 5: Solve for x
    x = 169,243,151,502,543,072/586,109,872.80
  6. Step 6: Final answer
    x = 288,756,697.94

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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.