Home / 415,541,414.40-623,312,121.60-404,924,582.40

Finding the Fourth Proportional to 415,541,414.40, 623,312,121.60 and 404,924,582.40

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Solution

The fourth proportional to 415,541,414.40, 623,312,121.60 and 404,924,582.40 is: 607,386,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,541,414.40 : 623,312,121.60 = 404,924,582.40 : x
  2. Step 2: Convert to fraction form
    415,541,414.40/623,312,121.60 = 404,924,582.40/x
  3. Step 3: Cross multiply
    415,541,414.40x = 623,312,121.60 × 404,924,582.40
  4. Step 4: Simplify right side
    415,541,414.40x = 252,394,400,543,738,016
  5. Step 5: Solve for x
    x = 252,394,400,543,738,016/415,541,414.40
  6. Step 6: Final answer
    x = 607,386,873.60

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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.