Home / 1,148,113,159.39-1,722,420,902.36-371,837,290.69

Finding the Fourth Proportional to 1,148,113,159.39, 1,722,420,902.36 and 371,837,290.69

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Solution

The fourth proportional to 1,148,113,159.39, 1,722,420,902.36 and 371,837,290.69 is: 557,837,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,113,159.39 : 1,722,420,902.36 = 371,837,290.69 : x
  2. Step 2: Convert to fraction form
    1,148,113,159.39/1,722,420,902.36 = 371,837,290.69/x
  3. Step 3: Cross multiply
    1,148,113,159.39x = 1,722,420,902.36 × 371,837,290.69
  4. Step 4: Simplify right side
    1,148,113,159.39x = 640,460,321,753,728,896
  5. Step 5: Solve for x
    x = 640,460,321,753,728,896/1,148,113,159.39
  6. Step 6: Final answer
    x = 557,837,279.82

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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.