Home / 838,190,085.48-1,148,325,626.25-806,772,472.92

Finding the Fourth Proportional to 838,190,085.48, 1,148,325,626.25 and 806,772,472.92

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Solution

The fourth proportional to 838,190,085.48, 1,148,325,626.25 and 806,772,472.92 is: 1,105,283,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,190,085.48 : 1,148,325,626.25 = 806,772,472.92 : x
  2. Step 2: Convert to fraction form
    838,190,085.48/1,148,325,626.25 = 806,772,472.92/x
  3. Step 3: Cross multiply
    838,190,085.48x = 1,148,325,626.25 × 806,772,472.92
  4. Step 4: Simplify right side
    838,190,085.48x = 926,437,505,207,120,128
  5. Step 5: Solve for x
    x = 926,437,505,207,120,128/838,190,085.48
  6. Step 6: Final answer
    x = 1,105,283,301.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.