Home / 742,082,727.40-1,113,123,451.55-189,385,111.34

Finding the Fourth Proportional to 742,082,727.40, 1,113,123,451.55 and 189,385,111.34

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Solution

The fourth proportional to 742,082,727.40, 1,113,123,451.55 and 189,385,111.34 is: 284,077,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082,727.40 : 1,113,123,451.55 = 189,385,111.34 : x
  2. Step 2: Convert to fraction form
    742,082,727.40/1,113,123,451.55 = 189,385,111.34/x
  3. Step 3: Cross multiply
    742,082,727.40x = 1,113,123,451.55 × 189,385,111.34
  4. Step 4: Simplify right side
    742,082,727.40x = 210,809,008,800,449,312
  5. Step 5: Solve for x
    x = 210,809,008,800,449,312/742,082,727.40
  6. Step 6: Final answer
    x = 284,077,503.78

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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.