Home / 624,027,761.60-936,041,642.40-442,629,233.60

Finding the Fourth Proportional to 624,027,761.60, 936,041,642.40 and 442,629,233.60

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Solution

The fourth proportional to 624,027,761.60, 936,041,642.40 and 442,629,233.60 is: 663,943,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,027,761.60 : 936,041,642.40 = 442,629,233.60 : x
  2. Step 2: Convert to fraction form
    624,027,761.60/936,041,642.40 = 442,629,233.60/x
  3. Step 3: Cross multiply
    624,027,761.60x = 936,041,642.40 × 442,629,233.60
  4. Step 4: Simplify right side
    624,027,761.60x = 414,319,394,793,197,248
  5. Step 5: Solve for x
    x = 414,319,394,793,197,248/624,027,761.60
  6. Step 6: Final answer
    x = 663,943,850.40

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Double scale
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Similar ratio
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1.5x scale

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.