Home / 20,155,557,846.30-30,233,336,769.45-9,114,434,108.70

Finding the Fourth Proportional to 20,155,557,846.30, 30,233,336,769.45 and 9,114,434,108.70

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Solution

The fourth proportional to 20,155,557,846.30, 30,233,336,769.45 and 9,114,434,108.70 is: 13,671,651,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,557,846.30 : 30,233,336,769.45 = 9,114,434,108.70 : x
  2. Step 2: Convert to fraction form
    20,155,557,846.30/30,233,336,769.45 = 9,114,434,108.70/x
  3. Step 3: Cross multiply
    20,155,557,846.30x = 30,233,336,769.45 × 9,114,434,108.70
  4. Step 4: Simplify right side
    20,155,557,846.30x = 275,559,755,871,288,983,552
  5. Step 5: Solve for x
    x = 275,559,755,871,288,983,552/20,155,557,846.30
  6. Step 6: Final answer
    x = 13,671,651,163.05

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Double scale
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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.