Home / 1,760,292,004.80-2,640,438,007.20-886,555,761.60

Finding the Fourth Proportional to 1,760,292,004.80, 2,640,438,007.20 and 886,555,761.60

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Solution

The fourth proportional to 1,760,292,004.80, 2,640,438,007.20 and 886,555,761.60 is: 1,329,833,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,292,004.80 : 2,640,438,007.20 = 886,555,761.60 : x
  2. Step 2: Convert to fraction form
    1,760,292,004.80/2,640,438,007.20 = 886,555,761.60/x
  3. Step 3: Cross multiply
    1,760,292,004.80x = 2,640,438,007.20 × 886,555,761.60
  4. Step 4: Simplify right side
    1,760,292,004.80x = 2,340,895,528,430,781,952
  5. Step 5: Solve for x
    x = 2,340,895,528,430,781,952/1,760,292,004.80
  6. Step 6: Final answer
    x = 1,329,833,642.40

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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.