Home / 662,634,324.80-993,951,487.20-658,603,246.40

Finding the Fourth Proportional to 662,634,324.80, 993,951,487.20 and 658,603,246.40

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Solution

The fourth proportional to 662,634,324.80, 993,951,487.20 and 658,603,246.40 is: 987,904,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,634,324.80 : 993,951,487.20 = 658,603,246.40 : x
  2. Step 2: Convert to fraction form
    662,634,324.80/993,951,487.20 = 658,603,246.40/x
  3. Step 3: Cross multiply
    662,634,324.80x = 993,951,487.20 × 658,603,246.40
  4. Step 4: Simplify right side
    662,634,324.80x = 654,619,676,234,028,032
  5. Step 5: Solve for x
    x = 654,619,676,234,028,032/662,634,324.80
  6. Step 6: Final answer
    x = 987,904,869.60

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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.