Home / 989,463,609.10-1,484,195,413.65-928,241,605.90

Finding the Fourth Proportional to 989,463,609.10, 1,484,195,413.65 and 928,241,605.90

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Solution

The fourth proportional to 989,463,609.10, 1,484,195,413.65 and 928,241,605.90 is: 1,392,362,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,463,609.10 : 1,484,195,413.65 = 928,241,605.90 : x
  2. Step 2: Convert to fraction form
    989,463,609.10/1,484,195,413.65 = 928,241,605.90/x
  3. Step 3: Cross multiply
    989,463,609.10x = 1,484,195,413.65 × 928,241,605.90
  4. Step 4: Simplify right side
    989,463,609.10x = 1,377,691,934,235,890,944
  5. Step 5: Solve for x
    x = 1,377,691,934,235,890,944/989,463,609.10
  6. Step 6: Final answer
    x = 1,392,362,408.85

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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.