Home / 742,082,729.64-1,113,123,454.92-189,385,113.60

Finding the Fourth Proportional to 742,082,729.64, 1,113,123,454.92 and 189,385,113.60

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Solution

The fourth proportional to 742,082,729.64, 1,113,123,454.92 and 189,385,113.60 is: 284,077,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082,729.64 : 1,113,123,454.92 = 189,385,113.60 : x
  2. Step 2: Convert to fraction form
    742,082,729.64/1,113,123,454.92 = 189,385,113.60/x
  3. Step 3: Cross multiply
    742,082,729.64x = 1,113,123,454.92 × 189,385,113.60
  4. Step 4: Simplify right side
    742,082,729.64x = 210,809,011,960,848,672
  5. Step 5: Solve for x
    x = 210,809,011,960,848,672/742,082,729.64
  6. Step 6: Final answer
    x = 284,077,507.18

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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.