Home / 789,781,805.10-1,184,672,707.65-402,361,316.10

Finding the Fourth Proportional to 789,781,805.10, 1,184,672,707.65 and 402,361,316.10

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Solution

The fourth proportional to 789,781,805.10, 1,184,672,707.65 and 402,361,316.10 is: 603,541,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,781,805.10 : 1,184,672,707.65 = 402,361,316.10 : x
  2. Step 2: Convert to fraction form
    789,781,805.10/1,184,672,707.65 = 402,361,316.10/x
  3. Step 3: Cross multiply
    789,781,805.10x = 1,184,672,707.65 × 402,361,316.10
  4. Step 4: Simplify right side
    789,781,805.10x = 476,666,469,797,804,608
  5. Step 5: Solve for x
    x = 476,666,469,797,804,608/789,781,805.10
  6. Step 6: Final answer
    x = 603,541,974.15

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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.