Home / 12,445,098,431.28-17,173,197,619.74-7,019,335,043.70

Finding the Fourth Proportional to 12,445,098,431.28, 17,173,197,619.74 and 7,019,335,043.70

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Solution

The fourth proportional to 12,445,098,431.28, 17,173,197,619.74 and 7,019,335,043.70 is: 9,686,096,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,098,431.28 : 17,173,197,619.74 = 7,019,335,043.70 : x
  2. Step 2: Convert to fraction form
    12,445,098,431.28/17,173,197,619.74 = 7,019,335,043.70/x
  3. Step 3: Cross multiply
    12,445,098,431.28x = 17,173,197,619.74 × 7,019,335,043.70
  4. Step 4: Simplify right side
    12,445,098,431.28x = 120,544,427,864,626,397,184
  5. Step 5: Solve for x
    x = 120,544,427,864,626,397,184/12,445,098,431.28
  6. Step 6: Final answer
    x = 9,686,096,781.82

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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.