Home / 238,914,930,018.96-329,702,735,688.84-129,049,275,513.06

Finding the Fourth Proportional to 238,914,930,018.96, 329,702,735,688.84 and 129,049,275,513.06

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Solution

The fourth proportional to 238,914,930,018.96, 329,702,735,688.84 and 129,049,275,513.06 is: 178,088,071,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914,930,018.96 : 329,702,735,688.84 = 129,049,275,513.06 : x
  2. Step 2: Convert to fraction form
    238,914,930,018.96/329,702,735,688.84 = 129,049,275,513.06/x
  3. Step 3: Cross multiply
    238,914,930,018.96x = 329,702,735,688.84 × 129,049,275,513.06
  4. Step 4: Simplify right side
    238,914,930,018.96x = 42,547,899,175,318,719,561,728
  5. Step 5: Solve for x
    x = 42,547,899,175,318,719,561,728/238,914,930,018.96
  6. Step 6: Final answer
    x = 178,088,071,649.36

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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.