Home / 15,128,690,074.72-22,674,980,691.48-7,041,268,299.04

Finding the Fourth Proportional to 15,128,690,074.72, 22,674,980,691.48 and 7,041,268,299.04

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Solution

The fourth proportional to 15,128,690,074.72, 22,674,980,691.48 and 7,041,268,299.04 is: 10,553,499,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,690,074.72 : 22,674,980,691.48 = 7,041,268,299.04 : x
  2. Step 2: Convert to fraction form
    15,128,690,074.72/22,674,980,691.48 = 7,041,268,299.04/x
  3. Step 3: Cross multiply
    15,128,690,074.72x = 22,674,980,691.48 × 7,041,268,299.04
  4. Step 4: Simplify right side
    15,128,690,074.72x = 159,660,622,724,262,232,064
  5. Step 5: Solve for x
    x = 159,660,622,724,262,232,064/15,128,690,074.72
  6. Step 6: Final answer
    x = 10,553,499,472.57

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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.