Home / 8,510,271,755.40-12,765,407,633.10-2,989,529,787.15

Finding the Fourth Proportional to 8,510,271,755.40, 12,765,407,633.10 and 2,989,529,787.15

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Solution

The fourth proportional to 8,510,271,755.40, 12,765,407,633.10 and 2,989,529,787.15 is: 4,484,294,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,271,755.40 : 12,765,407,633.10 = 2,989,529,787.15 : x
  2. Step 2: Convert to fraction form
    8,510,271,755.40/12,765,407,633.10 = 2,989,529,787.15/x
  3. Step 3: Cross multiply
    8,510,271,755.40x = 12,765,407,633.10 × 2,989,529,787.15
  4. Step 4: Simplify right side
    8,510,271,755.40x = 38,162,566,364,264,431,616
  5. Step 5: Solve for x
    x = 38,162,566,364,264,431,616/8,510,271,755.40
  6. Step 6: Final answer
    x = 4,484,294,680.73

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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.