Home / 1,260,829,275.20-1,891,243,912.80-1,189,403,604.80

Finding the Fourth Proportional to 1,260,829,275.20, 1,891,243,912.80 and 1,189,403,604.80

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Solution

The fourth proportional to 1,260,829,275.20, 1,891,243,912.80 and 1,189,403,604.80 is: 1,784,105,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,829,275.20 : 1,891,243,912.80 = 1,189,403,604.80 : x
  2. Step 2: Convert to fraction form
    1,260,829,275.20/1,891,243,912.80 = 1,189,403,604.80/x
  3. Step 3: Cross multiply
    1,260,829,275.20x = 1,891,243,912.80 × 1,189,403,604.80
  4. Step 4: Simplify right side
    1,260,829,275.20x = 2,249,452,327,440,376,832
  5. Step 5: Solve for x
    x = 2,249,452,327,440,376,832/1,260,829,275.20
  6. Step 6: Final answer
    x = 1,784,105,407.20

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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.