Home / 15,278,865,546.32-22,916,985,510.36-9,301,440,427.28

Finding the Fourth Proportional to 15,278,865,546.32, 22,916,985,510.36 and 9,301,440,427.28

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Solution

The fourth proportional to 15,278,865,546.32, 22,916,985,510.36 and 9,301,440,427.28 is: 13,951,361,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278,865,546.32 : 22,916,985,510.36 = 9,301,440,427.28 : x
  2. Step 2: Convert to fraction form
    15,278,865,546.32/22,916,985,510.36 = 9,301,440,427.28/x
  3. Step 3: Cross multiply
    15,278,865,546.32x = 22,916,985,510.36 × 9,301,440,427.28
  4. Step 4: Simplify right side
    15,278,865,546.32x = 213,160,975,497,452,519,424
  5. Step 5: Solve for x
    x = 213,160,975,497,452,519,424/15,278,865,546.32
  6. Step 6: Final answer
    x = 13,951,361,431.33

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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.