Home / 2,642,925,139.26-3,963,538,984.41-871,897,749.18

Finding the Fourth Proportional to 2,642,925,139.26, 3,963,538,984.41 and 871,897,749.18

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Solution

The fourth proportional to 2,642,925,139.26, 3,963,538,984.41 and 871,897,749.18 is: 1,307,566,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,925,139.26 : 3,963,538,984.41 = 871,897,749.18 : x
  2. Step 2: Convert to fraction form
    2,642,925,139.26/3,963,538,984.41 = 871,897,749.18/x
  3. Step 3: Cross multiply
    2,642,925,139.26x = 3,963,538,984.41 × 871,897,749.18
  4. Step 4: Simplify right side
    2,642,925,139.26x = 3,455,800,719,294,261,760
  5. Step 5: Solve for x
    x = 3,455,800,719,294,261,760/2,642,925,139.26
  6. Step 6: Final answer
    x = 1,307,566,630.61

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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.