Home / 20,942,973,608.09-31,414,253,391.27-9,594,931,747.88

Finding the Fourth Proportional to 20,942,973,608.09, 31,414,253,391.27 and 9,594,931,747.88

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Solution

The fourth proportional to 20,942,973,608.09, 31,414,253,391.27 and 9,594,931,747.88 is: 14,392,302,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,973,608.09 : 31,414,253,391.27 = 9,594,931,747.88 : x
  2. Step 2: Convert to fraction form
    20,942,973,608.09/31,414,253,391.27 = 9,594,931,747.88/x
  3. Step 3: Cross multiply
    20,942,973,608.09x = 31,414,253,391.27 × 9,594,931,747.88
  4. Step 4: Simplify right side
    20,942,973,608.09x = 301,417,617,199,686,418,432
  5. Step 5: Solve for x
    x = 301,417,617,199,686,418,432/20,942,973,608.09
  6. Step 6: Final answer
    x = 14,392,302,776.11

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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.