Home / 15,193,460,401.50-20,967,098,461.75-8,419,392,133.58

Finding the Fourth Proportional to 15,193,460,401.50, 20,967,098,461.75 and 8,419,392,133.58

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Solution

The fourth proportional to 15,193,460,401.50, 20,967,098,461.75 and 8,419,392,133.58 is: 11,618,829,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,401.50 : 20,967,098,461.75 = 8,419,392,133.58 : x
  2. Step 2: Convert to fraction form
    15,193,460,401.50/20,967,098,461.75 = 8,419,392,133.58/x
  3. Step 3: Cross multiply
    15,193,460,401.50x = 20,967,098,461.75 × 8,419,392,133.58
  4. Step 4: Simplify right side
    15,193,460,401.50x = 176,530,223,852,989,612,032
  5. Step 5: Solve for x
    x = 176,530,223,852,989,612,032/15,193,460,401.50
  6. Step 6: Final answer
    x = 11,618,829,363.95

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Double scale
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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.