Home / 281,253,251,783.68-388,162,761,359.56-167,068,323,908.08

Finding the Fourth Proportional to 281,253,251,783.68, 388,162,761,359.56 and 167,068,323,908.08

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Solution

The fourth proportional to 281,253,251,783.68, 388,162,761,359.56 and 167,068,323,908.08 is: 230,574,052,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,253,251,783.68 : 388,162,761,359.56 = 167,068,323,908.08 : x
  2. Step 2: Convert to fraction form
    281,253,251,783.68/388,162,761,359.56 = 167,068,323,908.08/x
  3. Step 3: Cross multiply
    281,253,251,783.68x = 388,162,761,359.56 × 167,068,323,908.08
  4. Step 4: Simplify right side
    281,253,251,783.68x = 64,849,701,943,873,720,287,232
  5. Step 5: Solve for x
    x = 64,849,701,943,873,720,287,232/281,253,251,783.68
  6. Step 6: Final answer
    x = 230,574,052,149.10

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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.