Home / 673,612,793.10-1,010,419,189.65-328,787,628.30

Finding the Fourth Proportional to 673,612,793.10, 1,010,419,189.65 and 328,787,628.30

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Solution

The fourth proportional to 673,612,793.10, 1,010,419,189.65 and 328,787,628.30 is: 493,181,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612,793.10 : 1,010,419,189.65 = 328,787,628.30 : x
  2. Step 2: Convert to fraction form
    673,612,793.10/1,010,419,189.65 = 328,787,628.30/x
  3. Step 3: Cross multiply
    673,612,793.10x = 1,010,419,189.65 × 328,787,628.30
  4. Step 4: Simplify right side
    673,612,793.10x = 332,213,328,953,831,424
  5. Step 5: Solve for x
    x = 332,213,328,953,831,424/673,612,793.10
  6. Step 6: Final answer
    x = 493,181,442.45

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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.