Home / 388,396,987.10-582,595,480.65-370,481,083.10

Finding the Fourth Proportional to 388,396,987.10, 582,595,480.65 and 370,481,083.10

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Solution

The fourth proportional to 388,396,987.10, 582,595,480.65 and 370,481,083.10 is: 555,721,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,396,987.10 : 582,595,480.65 = 370,481,083.10 : x
  2. Step 2: Convert to fraction form
    388,396,987.10/582,595,480.65 = 370,481,083.10/x
  3. Step 3: Cross multiply
    388,396,987.10x = 582,595,480.65 × 370,481,083.10
  4. Step 4: Simplify right side
    388,396,987.10x = 215,840,604,680,377,088
  5. Step 5: Solve for x
    x = 215,840,604,680,377,088/388,396,987.10
  6. Step 6: Final answer
    x = 555,721,624.65

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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.