Home / 624,260,834.90-861,479,652.53-373,365,222.42

Finding the Fourth Proportional to 624,260,834.90, 861,479,652.53 and 373,365,222.42

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Solution

The fourth proportional to 624,260,834.90, 861,479,652.53 and 373,365,222.42 is: 515,243,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,260,834.90 : 861,479,652.53 = 373,365,222.42 : x
  2. Step 2: Convert to fraction form
    624,260,834.90/861,479,652.53 = 373,365,222.42/x
  3. Step 3: Cross multiply
    624,260,834.90x = 861,479,652.53 × 373,365,222.42
  4. Step 4: Simplify right side
    624,260,834.90x = 321,646,542,077,167,744
  5. Step 5: Solve for x
    x = 321,646,542,077,167,744/624,260,834.90
  6. Step 6: Final answer
    x = 515,243,827.73

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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.