Home / 6,978,158,755.74-9,629,889,023.28-3,806,411,792.22

Finding the Fourth Proportional to 6,978,158,755.74, 9,629,889,023.28 and 3,806,411,792.22

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Solution

The fourth proportional to 6,978,158,755.74, 9,629,889,023.28 and 3,806,411,792.22 is: 5,252,864,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,158,755.74 : 9,629,889,023.28 = 3,806,411,792.22 : x
  2. Step 2: Convert to fraction form
    6,978,158,755.74/9,629,889,023.28 = 3,806,411,792.22/x
  3. Step 3: Cross multiply
    6,978,158,755.74x = 9,629,889,023.28 × 3,806,411,792.22
  4. Step 4: Simplify right side
    6,978,158,755.74x = 36,655,323,135,982,931,968
  5. Step 5: Solve for x
    x = 36,655,323,135,982,931,968/6,978,158,755.74
  6. Step 6: Final answer
    x = 5,252,864,604.98

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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.