Home / 989,463,608.10-1,484,195,412.15-928,241,604.90

Finding the Fourth Proportional to 989,463,608.10, 1,484,195,412.15 and 928,241,604.90

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Solution

The fourth proportional to 989,463,608.10, 1,484,195,412.15 and 928,241,604.90 is: 1,392,362,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,463,608.10 : 1,484,195,412.15 = 928,241,604.90 : x
  2. Step 2: Convert to fraction form
    989,463,608.10/1,484,195,412.15 = 928,241,604.90/x
  3. Step 3: Cross multiply
    989,463,608.10x = 1,484,195,412.15 × 928,241,604.90
  4. Step 4: Simplify right side
    989,463,608.10x = 1,377,691,931,359,333,120
  5. Step 5: Solve for x
    x = 1,377,691,931,359,333,120/989,463,608.10
  6. Step 6: Final answer
    x = 1,392,362,407.35

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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.