Home / 2,986,008,004.60-4,479,012,006.90-916,049,246.20

Finding the Fourth Proportional to 2,986,008,004.60, 4,479,012,006.90 and 916,049,246.20

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Solution

The fourth proportional to 2,986,008,004.60, 4,479,012,006.90 and 916,049,246.20 is: 1,374,073,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,008,004.60 : 4,479,012,006.90 = 916,049,246.20 : x
  2. Step 2: Convert to fraction form
    2,986,008,004.60/4,479,012,006.90 = 916,049,246.20/x
  3. Step 3: Cross multiply
    2,986,008,004.60x = 4,479,012,006.90 × 916,049,246.20
  4. Step 4: Simplify right side
    2,986,008,004.60x = 4,102,995,572,641,494,016
  5. Step 5: Solve for x
    x = 4,102,995,572,641,494,016/2,986,008,004.60
  6. Step 6: Final answer
    x = 1,374,073,869.30

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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.