Home / 731,951,874.28-1,010,111,137.23-397,438,494.67

Finding the Fourth Proportional to 731,951,874.28, 1,010,111,137.23 and 397,438,494.67

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Solution

The fourth proportional to 731,951,874.28, 1,010,111,137.23 and 397,438,494.67 is: 548,474,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,951,874.28 : 1,010,111,137.23 = 397,438,494.67 : x
  2. Step 2: Convert to fraction form
    731,951,874.28/1,010,111,137.23 = 397,438,494.67/x
  3. Step 3: Cross multiply
    731,951,874.28x = 1,010,111,137.23 × 397,438,494.67
  4. Step 4: Simplify right side
    731,951,874.28x = 401,457,049,830,092,992
  5. Step 5: Solve for x
    x = 401,457,049,830,092,992/731,951,874.28
  6. Step 6: Final answer
    x = 548,474,652.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.