Home / 715,391,996.80-1,073,087,995.20-255,849,059.20

Finding the Fourth Proportional to 715,391,996.80, 1,073,087,995.20 and 255,849,059.20

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Solution

The fourth proportional to 715,391,996.80, 1,073,087,995.20 and 255,849,059.20 is: 383,773,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,391,996.80 : 1,073,087,995.20 = 255,849,059.20 : x
  2. Step 2: Convert to fraction form
    715,391,996.80/1,073,087,995.20 = 255,849,059.20/x
  3. Step 3: Cross multiply
    715,391,996.80x = 1,073,087,995.20 × 255,849,059.20
  4. Step 4: Simplify right side
    715,391,996.80x = 274,548,554,010,734,112
  5. Step 5: Solve for x
    x = 274,548,554,010,734,112/715,391,996.80
  6. Step 6: Final answer
    x = 383,773,588.80

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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.