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Finding the Fourth Proportional to 586,109,813.00, 878,978,063.12 and 192,545,284.86

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Solution

The fourth proportional to 586,109,813.00, 878,978,063.12 and 192,545,284.86 is: 288,756,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,109,813.00 : 878,978,063.12 = 192,545,284.86 : x
  2. Step 2: Convert to fraction form
    586,109,813.00/878,978,063.12 = 192,545,284.86/x
  3. Step 3: Cross multiply
    586,109,813.00x = 878,978,063.12 × 192,545,284.86
  4. Step 4: Simplify right side
    586,109,813.00x = 169,243,081,548,528,800
  5. Step 5: Solve for x
    x = 169,243,081,548,528,800/586,109,813.00
  6. Step 6: Final answer
    x = 288,756,608.06

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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.