Home / 970,833,082.42-1,457,285,932.66-418,408,134.54

Finding the Fourth Proportional to 970,833,082.42, 1,457,285,932.66 and 418,408,134.54

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Solution

The fourth proportional to 970,833,082.42, 1,457,285,932.66 and 418,408,134.54 is: 628,058,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,833,082.42 : 1,457,285,932.66 = 418,408,134.54 : x
  2. Step 2: Convert to fraction form
    970,833,082.42/1,457,285,932.66 = 418,408,134.54/x
  3. Step 3: Cross multiply
    970,833,082.42x = 1,457,285,932.66 × 418,408,134.54
  4. Step 4: Simplify right side
    970,833,082.42x = 609,740,288,575,654,784
  5. Step 5: Solve for x
    x = 609,740,288,575,654,784/970,833,082.42
  6. Step 6: Final answer
    x = 628,058,828.67

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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.