Home / 247,078,299,642.40-370,760,435,242.38-103,644,481,902.43

Finding the Fourth Proportional to 247,078,299,642.40, 370,760,435,242.38 and 103,644,481,902.43

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Solution

The fourth proportional to 247,078,299,642.40, 370,760,435,242.38 and 103,644,481,902.43 is: 155,526,702,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,078,299,642.40 : 370,760,435,242.38 = 103,644,481,902.43 : x
  2. Step 2: Convert to fraction form
    247,078,299,642.40/370,760,435,242.38 = 103,644,481,902.43/x
  3. Step 3: Cross multiply
    247,078,299,642.40x = 370,760,435,242.38 × 103,644,481,902.43
  4. Step 4: Simplify right side
    247,078,299,642.40x = 38,427,273,220,615,923,826,688
  5. Step 5: Solve for x
    x = 38,427,273,220,615,923,826,688/247,078,299,642.40
  6. Step 6: Final answer
    x = 155,526,702,572.55

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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.