Home / 657,948,128.91-986,914,584.73-159,961,464.39

Finding the Fourth Proportional to 657,948,128.91, 986,914,584.73 and 159,961,464.39

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Solution

The fourth proportional to 657,948,128.91, 986,914,584.73 and 159,961,464.39 is: 239,940,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,948,128.91 : 986,914,584.73 = 159,961,464.39 : x
  2. Step 2: Convert to fraction form
    657,948,128.91/986,914,584.73 = 159,961,464.39/x
  3. Step 3: Cross multiply
    657,948,128.91x = 986,914,584.73 × 159,961,464.39
  4. Step 4: Simplify right side
    657,948,128.91x = 157,868,302,204,261,440
  5. Step 5: Solve for x
    x = 157,868,302,204,261,440/657,948,128.91
  6. Step 6: Final answer
    x = 239,940,346.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.