Home / 1,230,603,403.20-1,845,905,104.80-1,187,605,233.60

Finding the Fourth Proportional to 1,230,603,403.20, 1,845,905,104.80 and 1,187,605,233.60

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Solution

The fourth proportional to 1,230,603,403.20, 1,845,905,104.80 and 1,187,605,233.60 is: 1,781,407,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,603,403.20 : 1,845,905,104.80 = 1,187,605,233.60 : x
  2. Step 2: Convert to fraction form
    1,230,603,403.20/1,845,905,104.80 = 1,187,605,233.60/x
  3. Step 3: Cross multiply
    1,230,603,403.20x = 1,845,905,104.80 × 1,187,605,233.60
  4. Step 4: Simplify right side
    1,230,603,403.20x = 2,192,206,563,189,436,160
  5. Step 5: Solve for x
    x = 2,192,206,563,189,436,160/1,230,603,403.20
  6. Step 6: Final answer
    x = 1,781,407,850.40

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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.