Home / 993,494,285.70-1,490,241,428.55-986,691,840.90

Finding the Fourth Proportional to 993,494,285.70, 1,490,241,428.55 and 986,691,840.90

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Solution

The fourth proportional to 993,494,285.70, 1,490,241,428.55 and 986,691,840.90 is: 1,480,037,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,494,285.70 : 1,490,241,428.55 = 986,691,840.90 : x
  2. Step 2: Convert to fraction form
    993,494,285.70/1,490,241,428.55 = 986,691,840.90/x
  3. Step 3: Cross multiply
    993,494,285.70x = 1,490,241,428.55 × 986,691,840.90
  4. Step 4: Simplify right side
    993,494,285.70x = 1,470,409,058,521,445,120
  5. Step 5: Solve for x
    x = 1,470,409,058,521,445,120/993,494,285.70
  6. Step 6: Final answer
    x = 1,480,037,761.35

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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.