Home / 9,278,108,121.84-12,803,791,296.60-5,105,941,977.84

Finding the Fourth Proportional to 9,278,108,121.84, 12,803,791,296.60 and 5,105,941,977.84

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Solution

The fourth proportional to 9,278,108,121.84, 12,803,791,296.60 and 5,105,941,977.84 is: 7,046,201,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,108,121.84 : 12,803,791,296.60 = 5,105,941,977.84 : x
  2. Step 2: Convert to fraction form
    9,278,108,121.84/12,803,791,296.60 = 5,105,941,977.84/x
  3. Step 3: Cross multiply
    9,278,108,121.84x = 12,803,791,296.60 × 5,105,941,977.84
  4. Step 4: Simplify right side
    9,278,108,121.84x = 65,375,415,456,812,384,256
  5. Step 5: Solve for x
    x = 65,375,415,456,812,384,256/9,278,108,121.84
  6. Step 6: Final answer
    x = 7,046,201,078.74

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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.