Home / 1,259,715,072.30-1,889,572,608.45-1,152,576,566.70

Finding the Fourth Proportional to 1,259,715,072.30, 1,889,572,608.45 and 1,152,576,566.70

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Solution

The fourth proportional to 1,259,715,072.30, 1,889,572,608.45 and 1,152,576,566.70 is: 1,728,864,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,072.30 : 1,889,572,608.45 = 1,152,576,566.70 : x
  2. Step 2: Convert to fraction form
    1,259,715,072.30/1,889,572,608.45 = 1,152,576,566.70/x
  3. Step 3: Cross multiply
    1,259,715,072.30x = 1,889,572,608.45 × 1,152,576,566.70
  4. Step 4: Simplify right side
    1,259,715,072.30x = 2,177,877,109,577,664,512
  5. Step 5: Solve for x
    x = 2,177,877,109,577,664,512/1,259,715,072.30
  6. Step 6: Final answer
    x = 1,728,864,850.05

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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.