Home / 490,825,849.10-736,238,773.65-127,320,205.10

Finding the Fourth Proportional to 490,825,849.10, 736,238,773.65 and 127,320,205.10

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Solution

The fourth proportional to 490,825,849.10, 736,238,773.65 and 127,320,205.10 is: 190,980,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,825,849.10 : 736,238,773.65 = 127,320,205.10 : x
  2. Step 2: Convert to fraction form
    490,825,849.10/736,238,773.65 = 127,320,205.10/x
  3. Step 3: Cross multiply
    490,825,849.10x = 736,238,773.65 × 127,320,205.10
  4. Step 4: Simplify right side
    490,825,849.10x = 93,738,071,663,690,464
  5. Step 5: Solve for x
    x = 93,738,071,663,690,464/490,825,849.10
  6. Step 6: Final answer
    x = 190,980,307.65

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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.