Home / 490,825,821.10-736,238,731.65-127,320,177.10

Finding the Fourth Proportional to 490,825,821.10, 736,238,731.65 and 127,320,177.10

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Solution

The fourth proportional to 490,825,821.10, 736,238,731.65 and 127,320,177.10 is: 190,980,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,825,821.10 : 736,238,731.65 = 127,320,177.10 : x
  2. Step 2: Convert to fraction form
    490,825,821.10/736,238,731.65 = 127,320,177.10/x
  3. Step 3: Cross multiply
    490,825,821.10x = 736,238,731.65 × 127,320,177.10
  4. Step 4: Simplify right side
    490,825,821.10x = 93,738,045,701,557,360
  5. Step 5: Solve for x
    x = 93,738,045,701,557,360/490,825,821.10
  6. Step 6: Final answer
    x = 190,980,265.65

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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.