Home / 12,651,404,553.72-18,985,680,304.66-5,191,336,024.76

Finding the Fourth Proportional to 12,651,404,553.72, 18,985,680,304.66 and 5,191,336,024.76

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Solution

The fourth proportional to 12,651,404,553.72, 18,985,680,304.66 and 5,191,336,024.76 is: 7,790,522,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,404,553.72 : 18,985,680,304.66 = 5,191,336,024.76 : x
  2. Step 2: Convert to fraction form
    12,651,404,553.72/18,985,680,304.66 = 5,191,336,024.76/x
  3. Step 3: Cross multiply
    12,651,404,553.72x = 18,985,680,304.66 × 5,191,336,024.76
  4. Step 4: Simplify right side
    12,651,404,553.72x = 98,561,046,120,157,872,128
  5. Step 5: Solve for x
    x = 98,561,046,120,157,872,128/12,651,404,553.72
  6. Step 6: Final answer
    x = 7,790,522,048.49

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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.