Home / 432,868,082.40-649,302,123.60-351,238,744.80

Finding the Fourth Proportional to 432,868,082.40, 649,302,123.60 and 351,238,744.80

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Solution

The fourth proportional to 432,868,082.40, 649,302,123.60 and 351,238,744.80 is: 526,858,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,868,082.40 : 649,302,123.60 = 351,238,744.80 : x
  2. Step 2: Convert to fraction form
    432,868,082.40/649,302,123.60 = 351,238,744.80/x
  3. Step 3: Cross multiply
    432,868,082.40x = 649,302,123.60 × 351,238,744.80
  4. Step 4: Simplify right side
    432,868,082.40x = 228,060,062,889,238,464
  5. Step 5: Solve for x
    x = 228,060,062,889,238,464/432,868,082.40
  6. Step 6: Final answer
    x = 526,858,117.20

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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.