Home / 646,456,170.15-969,684,268.05-155,169,439.79

Finding the Fourth Proportional to 646,456,170.15, 969,684,268.05 and 155,169,439.79

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Solution

The fourth proportional to 646,456,170.15, 969,684,268.05 and 155,169,439.79 is: 232,754,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,456,170.15 : 969,684,268.05 = 155,169,439.79 : x
  2. Step 2: Convert to fraction form
    646,456,170.15/969,684,268.05 = 155,169,439.79/x
  3. Step 3: Cross multiply
    646,456,170.15x = 969,684,268.05 × 155,169,439.79
  4. Step 4: Simplify right side
    646,456,170.15x = 150,465,364,641,646,272
  5. Step 5: Solve for x
    x = 150,465,364,641,646,272/646,456,170.15
  6. Step 6: Final answer
    x = 232,754,162.76

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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.