Home / 422,735,999.10-634,103,998.65-193,153,487.10

Finding the Fourth Proportional to 422,735,999.10, 634,103,998.65 and 193,153,487.10

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Solution

The fourth proportional to 422,735,999.10, 634,103,998.65 and 193,153,487.10 is: 289,730,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,735,999.10 : 634,103,998.65 = 193,153,487.10 : x
  2. Step 2: Convert to fraction form
    422,735,999.10/634,103,998.65 = 193,153,487.10/x
  3. Step 3: Cross multiply
    422,735,999.10x = 634,103,998.65 × 193,153,487.10
  4. Step 4: Simplify right side
    422,735,999.10x = 122,479,398,523,301,184
  5. Step 5: Solve for x
    x = 122,479,398,523,301,184/422,735,999.10
  6. Step 6: Final answer
    x = 289,730,230.65

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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.