Home / 683,318,898.08-1,026,613,519.60-438,155,862.72

Finding the Fourth Proportional to 683,318,898.08, 1,026,613,519.60 and 438,155,862.72

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Solution

The fourth proportional to 683,318,898.08, 1,026,613,519.60 and 438,155,862.72 is: 658,282,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,318,898.08 : 1,026,613,519.60 = 438,155,862.72 : x
  2. Step 2: Convert to fraction form
    683,318,898.08/1,026,613,519.60 = 438,155,862.72/x
  3. Step 3: Cross multiply
    683,318,898.08x = 1,026,613,519.60 × 438,155,862.72
  4. Step 4: Simplify right side
    683,318,898.08x = 449,816,732,360,353,664
  5. Step 5: Solve for x
    x = 449,816,732,360,353,664/683,318,898.08
  6. Step 6: Final answer
    x = 658,282,294.88

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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.