Home / 498,465,986.40-747,698,979.60-441,070,358.40

Finding the Fourth Proportional to 498,465,986.40, 747,698,979.60 and 441,070,358.40

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Solution

The fourth proportional to 498,465,986.40, 747,698,979.60 and 441,070,358.40 is: 661,605,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,465,986.40 : 747,698,979.60 = 441,070,358.40 : x
  2. Step 2: Convert to fraction form
    498,465,986.40/747,698,979.60 = 441,070,358.40/x
  3. Step 3: Cross multiply
    498,465,986.40x = 747,698,979.60 × 441,070,358.40
  4. Step 4: Simplify right side
    498,465,986.40x = 329,787,856,907,486,272
  5. Step 5: Solve for x
    x = 329,787,856,907,486,272/498,465,986.40
  6. Step 6: Final answer
    x = 661,605,537.60

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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.