Home / 839,810,055.20-1,259,715,082.80-773,486,218.40

Finding the Fourth Proportional to 839,810,055.20, 1,259,715,082.80 and 773,486,218.40

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Solution

The fourth proportional to 839,810,055.20, 1,259,715,082.80 and 773,486,218.40 is: 1,160,229,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,055.20 : 1,259,715,082.80 = 773,486,218.40 : x
  2. Step 2: Convert to fraction form
    839,810,055.20/1,259,715,082.80 = 773,486,218.40/x
  3. Step 3: Cross multiply
    839,810,055.20x = 1,259,715,082.80 × 773,486,218.40
  4. Step 4: Simplify right side
    839,810,055.20x = 974,372,255,656,414,848
  5. Step 5: Solve for x
    x = 974,372,255,656,414,848/839,810,055.20
  6. Step 6: Final answer
    x = 1,160,229,327.60

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1.5x scale

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.