Home / 742,082,734.66-1,113,123,462.42-189,385,118.58

Finding the Fourth Proportional to 742,082,734.66, 1,113,123,462.42 and 189,385,118.58

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Solution

The fourth proportional to 742,082,734.66, 1,113,123,462.42 and 189,385,118.58 is: 284,077,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082,734.66 : 1,113,123,462.42 = 189,385,118.58 : x
  2. Step 2: Convert to fraction form
    742,082,734.66/1,113,123,462.42 = 189,385,118.58/x
  3. Step 3: Cross multiply
    742,082,734.66x = 1,113,123,462.42 × 189,385,118.58
  4. Step 4: Simplify right side
    742,082,734.66x = 210,809,018,924,591,904
  5. Step 5: Solve for x
    x = 210,809,018,924,591,904/742,082,734.66
  6. Step 6: Final answer
    x = 284,077,514.65

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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.