Home / 549,503,999.10-824,255,998.65-388,260,863.10

Finding the Fourth Proportional to 549,503,999.10, 824,255,998.65 and 388,260,863.10

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Solution

The fourth proportional to 549,503,999.10, 824,255,998.65 and 388,260,863.10 is: 582,391,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,503,999.10 : 824,255,998.65 = 388,260,863.10 : x
  2. Step 2: Convert to fraction form
    549,503,999.10/824,255,998.65 = 388,260,863.10/x
  3. Step 3: Cross multiply
    549,503,999.10x = 824,255,998.65 × 388,260,863.10
  4. Step 4: Simplify right side
    549,503,999.10x = 320,026,345,451,201,472
  5. Step 5: Solve for x
    x = 320,026,345,451,201,472/549,503,999.10
  6. Step 6: Final answer
    x = 582,391,294.65

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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.