Home / 1,279,173,702.26-1,765,227,187.60-714,662,824.16

Finding the Fourth Proportional to 1,279,173,702.26, 1,765,227,187.60 and 714,662,824.16

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Solution

The fourth proportional to 1,279,173,702.26, 1,765,227,187.60 and 714,662,824.16 is: 986,216,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,173,702.26 : 1,765,227,187.60 = 714,662,824.16 : x
  2. Step 2: Convert to fraction form
    1,279,173,702.26/1,765,227,187.60 = 714,662,824.16/x
  3. Step 3: Cross multiply
    1,279,173,702.26x = 1,765,227,187.60 × 714,662,824.16
  4. Step 4: Simplify right side
    1,279,173,702.26x = 1,261,542,247,176,856,576
  5. Step 5: Solve for x
    x = 1,261,542,247,176,856,576/1,279,173,702.26
  6. Step 6: Final answer
    x = 986,216,527.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.