Home / 629,526,619.77-868,707,410.81-347,272,325.25

Finding the Fourth Proportional to 629,526,619.77, 868,707,410.81 and 347,272,325.25

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Solution

The fourth proportional to 629,526,619.77, 868,707,410.81 and 347,272,325.25 is: 479,214,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,526,619.77 : 868,707,410.81 = 347,272,325.25 : x
  2. Step 2: Convert to fraction form
    629,526,619.77/868,707,410.81 = 347,272,325.25/x
  3. Step 3: Cross multiply
    629,526,619.77x = 868,707,410.81 × 347,272,325.25
  4. Step 4: Simplify right side
    629,526,619.77x = 301,678,042,513,895,680
  5. Step 5: Solve for x
    x = 301,678,042,513,895,680/629,526,619.77
  6. Step 6: Final answer
    x = 479,214,115.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.