Home / 676,987,636.08-1,015,489,272.44-204,290,774.86

Finding the Fourth Proportional to 676,987,636.08, 1,015,489,272.44 and 204,290,774.86

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Solution

The fourth proportional to 676,987,636.08, 1,015,489,272.44 and 204,290,774.86 is: 306,438,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,987,636.08 : 1,015,489,272.44 = 204,290,774.86 : x
  2. Step 2: Convert to fraction form
    676,987,636.08/1,015,489,272.44 = 204,290,774.86/x
  3. Step 3: Cross multiply
    676,987,636.08x = 1,015,489,272.44 × 204,290,774.86
  4. Step 4: Simplify right side
    676,987,636.08x = 207,455,090,328,785,280
  5. Step 5: Solve for x
    x = 207,455,090,328,785,280/676,987,636.08
  6. Step 6: Final answer
    x = 306,438,521.58

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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.