Home / 15,109,861,721.32-22,652,850,387.78-7,542,762,791.04

Finding the Fourth Proportional to 15,109,861,721.32, 22,652,850,387.78 and 7,542,762,791.04

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Solution

The fourth proportional to 15,109,861,721.32, 22,652,850,387.78 and 7,542,762,791.04 is: 11,308,182,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,861,721.32 : 22,652,850,387.78 = 7,542,762,791.04 : x
  2. Step 2: Convert to fraction form
    15,109,861,721.32/22,652,850,387.78 = 7,542,762,791.04/x
  3. Step 3: Cross multiply
    15,109,861,721.32x = 22,652,850,387.78 × 7,542,762,791.04
  4. Step 4: Simplify right side
    15,109,861,721.32x = 170,865,077,015,943,020,544
  5. Step 5: Solve for x
    x = 170,865,077,015,943,020,544/15,109,861,721.32
  6. Step 6: Final answer
    x = 11,308,182,706.59

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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.