Home / 2,565,866,343.72-3,540,895,409.82-1,392,444,615.72

Finding the Fourth Proportional to 2,565,866,343.72, 3,540,895,409.82 and 1,392,444,615.72

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Solution

The fourth proportional to 2,565,866,343.72, 3,540,895,409.82 and 1,392,444,615.72 is: 1,921,573,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,866,343.72 : 3,540,895,409.82 = 1,392,444,615.72 : x
  2. Step 2: Convert to fraction form
    2,565,866,343.72/3,540,895,409.82 = 1,392,444,615.72/x
  3. Step 3: Cross multiply
    2,565,866,343.72x = 3,540,895,409.82 × 1,392,444,615.72
  4. Step 4: Simplify right side
    2,565,866,343.72x = 4,930,500,748,231,522,304
  5. Step 5: Solve for x
    x = 4,930,500,748,231,522,304/2,565,866,343.72
  6. Step 6: Final answer
    x = 1,921,573,491.27

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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.