Home / 806,800,047.78-1,209,282,059.79-490,969,499.88

Finding the Fourth Proportional to 806,800,047.78, 1,209,282,059.79 and 490,969,499.88

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Solution

The fourth proportional to 806,800,047.78, 1,209,282,059.79 and 490,969,499.88 is: 735,895,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,800,047.78 : 1,209,282,059.79 = 490,969,499.88 : x
  2. Step 2: Convert to fraction form
    806,800,047.78/1,209,282,059.79 = 490,969,499.88/x
  3. Step 3: Cross multiply
    806,800,047.78x = 1,209,282,059.79 × 490,969,499.88
  4. Step 4: Simplify right side
    806,800,047.78x = 593,720,608,108,952,576
  5. Step 5: Solve for x
    x = 593,720,608,108,952,576/806,800,047.78
  6. Step 6: Final answer
    x = 735,895,603.55

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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.