Home / 238,914,930,008.79-329,702,735,674.80-129,049,275,502.88

Finding the Fourth Proportional to 238,914,930,008.79, 329,702,735,674.80 and 129,049,275,502.88

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Solution

The fourth proportional to 238,914,930,008.79, 329,702,735,674.80 and 129,049,275,502.88 is: 178,088,071,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914,930,008.79 : 329,702,735,674.80 = 129,049,275,502.88 : x
  2. Step 2: Convert to fraction form
    238,914,930,008.79/329,702,735,674.80 = 129,049,275,502.88/x
  3. Step 3: Cross multiply
    238,914,930,008.79x = 329,702,735,674.80 × 129,049,275,502.88
  4. Step 4: Simplify right side
    238,914,930,008.79x = 42,547,899,170,150,489,784,320
  5. Step 5: Solve for x
    x = 42,547,899,170,150,489,784,320/238,914,930,008.79
  6. Step 6: Final answer
    x = 178,088,071,635.31

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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.