Home / 754,123,743.05-1,040,674,445.66-436,597,377.53

Finding the Fourth Proportional to 754,123,743.05, 1,040,674,445.66 and 436,597,377.53

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Solution

The fourth proportional to 754,123,743.05, 1,040,674,445.66 and 436,597,377.53 is: 602,494,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,123,743.05 : 1,040,674,445.66 = 436,597,377.53 : x
  2. Step 2: Convert to fraction form
    754,123,743.05/1,040,674,445.66 = 436,597,377.53/x
  3. Step 3: Cross multiply
    754,123,743.05x = 1,040,674,445.66 × 436,597,377.53
  4. Step 4: Simplify right side
    754,123,743.05x = 454,355,733,833,530,624
  5. Step 5: Solve for x
    x = 454,355,733,833,530,624/754,123,743.05
  6. Step 6: Final answer
    x = 602,494,932.73

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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.