Home / 6,531,039,129.38-9,012,574,399.89-3,855,681,119.78

Finding the Fourth Proportional to 6,531,039,129.38, 9,012,574,399.89 and 3,855,681,119.78

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Solution

The fourth proportional to 6,531,039,129.38, 9,012,574,399.89 and 3,855,681,119.78 is: 5,320,686,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531,039,129.38 : 9,012,574,399.89 = 3,855,681,119.78 : x
  2. Step 2: Convert to fraction form
    6,531,039,129.38/9,012,574,399.89 = 3,855,681,119.78/x
  3. Step 3: Cross multiply
    6,531,039,129.38x = 9,012,574,399.89 × 3,855,681,119.78
  4. Step 4: Simplify right side
    6,531,039,129.38x = 34,749,612,954,268,434,432
  5. Step 5: Solve for x
    x = 34,749,612,954,268,434,432/6,531,039,129.38
  6. Step 6: Final answer
    x = 5,320,686,687.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.