Home / 2,478,128,036.76-3,419,693,679.60-1,364,270,216.04

Finding the Fourth Proportional to 2,478,128,036.76, 3,419,693,679.60 and 1,364,270,216.04

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Solution

The fourth proportional to 2,478,128,036.76, 3,419,693,679.60 and 1,364,270,216.04 is: 1,882,625,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,128,036.76 : 3,419,693,679.60 = 1,364,270,216.04 : x
  2. Step 2: Convert to fraction form
    2,478,128,036.76/3,419,693,679.60 = 1,364,270,216.04/x
  3. Step 3: Cross multiply
    2,478,128,036.76x = 3,419,693,679.60 × 1,364,270,216.04
  4. Step 4: Simplify right side
    2,478,128,036.76x = 4,665,386,235,058,513,920
  5. Step 5: Solve for x
    x = 4,665,386,235,058,513,920/2,478,128,036.76
  6. Step 6: Final answer
    x = 1,882,625,177.49

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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.