Home / 1,941,510,759.20-2,912,266,138.80-715,559,040.80

Finding the Fourth Proportional to 1,941,510,759.20, 2,912,266,138.80 and 715,559,040.80

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Solution

The fourth proportional to 1,941,510,759.20, 2,912,266,138.80 and 715,559,040.80 is: 1,073,338,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,510,759.20 : 2,912,266,138.80 = 715,559,040.80 : x
  2. Step 2: Convert to fraction form
    1,941,510,759.20/2,912,266,138.80 = 715,559,040.80/x
  3. Step 3: Cross multiply
    1,941,510,759.20x = 2,912,266,138.80 × 715,559,040.80
  4. Step 4: Simplify right side
    1,941,510,759.20x = 2,083,898,364,834,047,744
  5. Step 5: Solve for x
    x = 2,083,898,364,834,047,744/1,941,510,759.20
  6. Step 6: Final answer
    x = 1,073,338,561.20

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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.