Home / 624,676,998.40-937,015,497.60-318,566,982.40

Finding the Fourth Proportional to 624,676,998.40, 937,015,497.60 and 318,566,982.40

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Solution

The fourth proportional to 624,676,998.40, 937,015,497.60 and 318,566,982.40 is: 477,850,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,676,998.40 : 937,015,497.60 = 318,566,982.40 : x
  2. Step 2: Convert to fraction form
    624,676,998.40/937,015,497.60 = 318,566,982.40/x
  3. Step 3: Cross multiply
    624,676,998.40x = 937,015,497.60 × 318,566,982.40
  4. Step 4: Simplify right side
    624,676,998.40x = 298,502,199,532,466,432
  5. Step 5: Solve for x
    x = 298,502,199,532,466,432/624,676,998.40
  6. Step 6: Final answer
    x = 477,850,473.60

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Similar ratio
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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.