Home / 1,290,284,705.97-1,935,438,259.77-416,886,167.55

Finding the Fourth Proportional to 1,290,284,705.97, 1,935,438,259.77 and 416,886,167.55

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Solution

The fourth proportional to 1,290,284,705.97, 1,935,438,259.77 and 416,886,167.55 is: 625,332,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,284,705.97 : 1,935,438,259.77 = 416,886,167.55 : x
  2. Step 2: Convert to fraction form
    1,290,284,705.97/1,935,438,259.77 = 416,886,167.55/x
  3. Step 3: Cross multiply
    1,290,284,705.97x = 1,935,438,259.77 × 416,886,167.55
  4. Step 4: Simplify right side
    1,290,284,705.97x = 806,857,438,645,156,608
  5. Step 5: Solve for x
    x = 806,857,438,645,156,608/1,290,284,705.97
  6. Step 6: Final answer
    x = 625,332,870.27

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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.