Home / 1,962,155,851.38-2,942,048,293.67-781,917,900.48

Finding the Fourth Proportional to 1,962,155,851.38, 2,942,048,293.67 and 781,917,900.48

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Solution

The fourth proportional to 1,962,155,851.38, 2,942,048,293.67 and 781,917,900.48 is: 1,172,404,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,155,851.38 : 2,942,048,293.67 = 781,917,900.48 : x
  2. Step 2: Convert to fraction form
    1,962,155,851.38/2,942,048,293.67 = 781,917,900.48/x
  3. Step 3: Cross multiply
    1,962,155,851.38x = 2,942,048,293.67 × 781,917,900.48
  4. Step 4: Simplify right side
    1,962,155,851.38x = 2,300,440,224,899,167,744
  5. Step 5: Solve for x
    x = 2,300,440,224,899,167,744/1,962,155,851.38
  6. Step 6: Final answer
    x = 1,172,404,436.31

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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.