Home / 2,986,007,999.10-4,479,011,998.65-916,049,240.70

Finding the Fourth Proportional to 2,986,007,999.10, 4,479,011,998.65 and 916,049,240.70

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Solution

The fourth proportional to 2,986,007,999.10, 4,479,011,998.65 and 916,049,240.70 is: 1,374,073,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,007,999.10 : 4,479,011,998.65 = 916,049,240.70 : x
  2. Step 2: Convert to fraction form
    2,986,007,999.10/4,479,011,998.65 = 916,049,240.70/x
  3. Step 3: Cross multiply
    2,986,007,999.10x = 4,479,011,998.65 × 916,049,240.70
  4. Step 4: Simplify right side
    2,986,007,999.10x = 4,102,995,540,449,521,664
  5. Step 5: Solve for x
    x = 4,102,995,540,449,521,664/2,986,007,999.10
  6. Step 6: Final answer
    x = 1,374,073,861.05

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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.