Home / 2,778,052,793.28-4,166,201,218.88-912,391,109.76

Finding the Fourth Proportional to 2,778,052,793.28, 4,166,201,218.88 and 912,391,109.76

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Solution

The fourth proportional to 2,778,052,793.28, 4,166,201,218.88 and 912,391,109.76 is: 1,368,298,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,052,793.28 : 4,166,201,218.88 = 912,391,109.76 : x
  2. Step 2: Convert to fraction form
    2,778,052,793.28/4,166,201,218.88 = 912,391,109.76/x
  3. Step 3: Cross multiply
    2,778,052,793.28x = 4,166,201,218.88 × 912,391,109.76
  4. Step 4: Simplify right side
    2,778,052,793.28x = 3,801,204,953,577,388,032
  5. Step 5: Solve for x
    x = 3,801,204,953,577,388,032/2,778,052,793.28
  6. Step 6: Final answer
    x = 1,368,298,314.12

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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.