Home / 281,253,251,781.68-388,162,761,356.80-167,068,323,906.08

Finding the Fourth Proportional to 281,253,251,781.68, 388,162,761,356.80 and 167,068,323,906.08

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Solution

The fourth proportional to 281,253,251,781.68, 388,162,761,356.80 and 167,068,323,906.08 is: 230,574,052,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,253,251,781.68 : 388,162,761,356.80 = 167,068,323,906.08 : x
  2. Step 2: Convert to fraction form
    281,253,251,781.68/388,162,761,356.80 = 167,068,323,906.08/x
  3. Step 3: Cross multiply
    281,253,251,781.68x = 388,162,761,356.80 × 167,068,323,906.08
  4. Step 4: Simplify right side
    281,253,251,781.68x = 64,849,701,942,636,291,555,328
  5. Step 5: Solve for x
    x = 64,849,701,942,636,291,555,328/281,253,251,781.68
  6. Step 6: Final answer
    x = 230,574,052,146.34

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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.