Home / 342,546,886.48-472,715,171.46-185,913,995.88

Finding the Fourth Proportional to 342,546,886.48, 472,715,171.46 and 185,913,995.88

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Solution

The fourth proportional to 342,546,886.48, 472,715,171.46 and 185,913,995.88 is: 256,561,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546,886.48 : 472,715,171.46 = 185,913,995.88 : x
  2. Step 2: Convert to fraction form
    342,546,886.48/472,715,171.46 = 185,913,995.88/x
  3. Step 3: Cross multiply
    342,546,886.48x = 472,715,171.46 × 185,913,995.88
  4. Step 4: Simplify right side
    342,546,886.48x = 87,884,366,439,227,920
  5. Step 5: Solve for x
    x = 87,884,366,439,227,920/342,546,886.48
  6. Step 6: Final answer
    x = 256,561,568.38

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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.