Home / 742,082,728.64-1,113,123,453.42-189,385,112.59

Finding the Fourth Proportional to 742,082,728.64, 1,113,123,453.42 and 189,385,112.59

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Solution

The fourth proportional to 742,082,728.64, 1,113,123,453.42 and 189,385,112.59 is: 284,077,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082,728.64 : 1,113,123,453.42 = 189,385,112.59 : x
  2. Step 2: Convert to fraction form
    742,082,728.64/1,113,123,453.42 = 189,385,112.59/x
  3. Step 3: Cross multiply
    742,082,728.64x = 1,113,123,453.42 × 189,385,112.59
  4. Step 4: Simplify right side
    742,082,728.64x = 210,809,010,552,516,352
  5. Step 5: Solve for x
    x = 210,809,010,552,516,352/742,082,728.64
  6. Step 6: Final answer
    x = 284,077,505.67

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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.