Home / 11,805,965,128.80-17,708,947,693.20-3,081,829,672.80

Finding the Fourth Proportional to 11,805,965,128.80, 17,708,947,693.20 and 3,081,829,672.80

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Solution

The fourth proportional to 11,805,965,128.80, 17,708,947,693.20 and 3,081,829,672.80 is: 4,622,744,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805,965,128.80 : 17,708,947,693.20 = 3,081,829,672.80 : x
  2. Step 2: Convert to fraction form
    11,805,965,128.80/17,708,947,693.20 = 3,081,829,672.80/x
  3. Step 3: Cross multiply
    11,805,965,128.80x = 17,708,947,693.20 × 3,081,829,672.80
  4. Step 4: Simplify right side
    11,805,965,128.80x = 54,575,960,474,966,876,160
  5. Step 5: Solve for x
    x = 54,575,960,474,966,876,160/11,805,965,128.80
  6. Step 6: Final answer
    x = 4,622,744,509.20

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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.