Home / 624,260,834.40-861,479,651.84-373,365,221.92

Finding the Fourth Proportional to 624,260,834.40, 861,479,651.84 and 373,365,221.92

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Solution

The fourth proportional to 624,260,834.40, 861,479,651.84 and 373,365,221.92 is: 515,243,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,260,834.40 : 861,479,651.84 = 373,365,221.92 : x
  2. Step 2: Convert to fraction form
    624,260,834.40/861,479,651.84 = 373,365,221.92/x
  3. Step 3: Cross multiply
    624,260,834.40x = 861,479,651.84 × 373,365,221.92
  4. Step 4: Simplify right side
    624,260,834.40x = 321,646,541,388,805,952
  5. Step 5: Solve for x
    x = 321,646,541,388,805,952/624,260,834.40
  6. Step 6: Final answer
    x = 515,243,827.04

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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.