Home / 1,279,173,703.26-1,765,227,188.98-714,662,825.16

Finding the Fourth Proportional to 1,279,173,703.26, 1,765,227,188.98 and 714,662,825.16

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Solution

The fourth proportional to 1,279,173,703.26, 1,765,227,188.98 and 714,662,825.16 is: 986,216,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,173,703.26 : 1,765,227,188.98 = 714,662,825.16 : x
  2. Step 2: Convert to fraction form
    1,279,173,703.26/1,765,227,188.98 = 714,662,825.16/x
  3. Step 3: Cross multiply
    1,279,173,703.26x = 1,765,227,188.98 × 714,662,825.16
  4. Step 4: Simplify right side
    1,279,173,703.26x = 1,261,542,249,925,691,904
  5. Step 5: Solve for x
    x = 1,261,542,249,925,691,904/1,279,173,703.26
  6. Step 6: Final answer
    x = 986,216,529.24

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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.