Home / 1,189,728,032.80-1,784,592,049.20-1,155,715,808.80

Finding the Fourth Proportional to 1,189,728,032.80, 1,784,592,049.20 and 1,155,715,808.80

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Solution

The fourth proportional to 1,189,728,032.80, 1,784,592,049.20 and 1,155,715,808.80 is: 1,733,573,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,728,032.80 : 1,784,592,049.20 = 1,155,715,808.80 : x
  2. Step 2: Convert to fraction form
    1,189,728,032.80/1,784,592,049.20 = 1,155,715,808.80/x
  3. Step 3: Cross multiply
    1,189,728,032.80x = 1,784,592,049.20 × 1,155,715,808.80
  4. Step 4: Simplify right side
    1,189,728,032.80x = 2,062,481,243,519,227,392
  5. Step 5: Solve for x
    x = 2,062,481,243,519,227,392/1,189,728,032.80
  6. Step 6: Final answer
    x = 1,733,573,713.20

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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.