Home / 422,729,542.60-634,094,313.90-193,147,030.60

Finding the Fourth Proportional to 422,729,542.60, 634,094,313.90 and 193,147,030.60

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Solution

The fourth proportional to 422,729,542.60, 634,094,313.90 and 193,147,030.60 is: 289,720,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,729,542.60 : 634,094,313.90 = 193,147,030.60 : x
  2. Step 2: Convert to fraction form
    422,729,542.60/634,094,313.90 = 193,147,030.60/x
  3. Step 3: Cross multiply
    422,729,542.60x = 634,094,313.90 × 193,147,030.60
  4. Step 4: Simplify right side
    422,729,542.60x = 122,473,433,850,129,296
  5. Step 5: Solve for x
    x = 122,473,433,850,129,296/422,729,542.60
  6. Step 6: Final answer
    x = 289,720,545.90

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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.