Home / 15,149,963,156,608-20,908,507,420,448-9,217,638,998,298.80

Finding the Fourth Proportional to 15,149,963,156,608, 20,908,507,420,448 and 9,217,638,998,298.80

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Solution

The fourth proportional to 15,149,963,156,608, 20,908,507,420,448 and 9,217,638,998,298.80 is: 12,721,289,906,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,963,156,608 : 20,908,507,420,448 = 9,217,638,998,298.80 : x
  2. Step 2: Convert to fraction form
    15,149,963,156,608/20,908,507,420,448 = 9,217,638,998,298.80/x
  3. Step 3: Cross multiply
    15,149,963,156,608x = 20,908,507,420,448 × 9,217,638,998,298.80
  4. Step 4: Simplify right side
    15,149,963,156,608x = 192,727,073,394,941,352,453,603,328
  5. Step 5: Solve for x
    x = 192,727,073,394,941,352,453,603,328/15,149,963,156,608
  6. Step 6: Final answer
    x = 12,721,289,906,957.90

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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.