Home / 388,526,797.80-582,715,547.10-115,906,458.60

Finding the Fourth Proportional to 388,526,797.80, 582,715,547.10 and 115,906,458.60

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Solution

The fourth proportional to 388,526,797.80, 582,715,547.10 and 115,906,458.60 is: 173,837,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,526,797.80 : 582,715,547.10 = 115,906,458.60 : x
  2. Step 2: Convert to fraction form
    388,526,797.80/582,715,547.10 = 115,906,458.60/x
  3. Step 3: Cross multiply
    388,526,797.80x = 582,715,547.10 × 115,906,458.60
  4. Step 4: Simplify right side
    388,526,797.80x = 67,540,495,435,522,496
  5. Step 5: Solve for x
    x = 67,540,495,435,522,496/388,526,797.80
  6. Step 6: Final answer
    x = 173,837,418.21

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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.