Home / 231,787,012,082.30-347,680,518,123.45-66,351,554,546.30

Finding the Fourth Proportional to 231,787,012,082.30, 347,680,518,123.45 and 66,351,554,546.30

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Solution

The fourth proportional to 231,787,012,082.30, 347,680,518,123.45 and 66,351,554,546.30 is: 99,527,331,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,012,082.30 : 347,680,518,123.45 = 66,351,554,546.30 : x
  2. Step 2: Convert to fraction form
    231,787,012,082.30/347,680,518,123.45 = 66,351,554,546.30/x
  3. Step 3: Cross multiply
    231,787,012,082.30x = 347,680,518,123.45 × 66,351,554,546.30
  4. Step 4: Simplify right side
    231,787,012,082.30x = 23,069,142,862,953,940,254,720
  5. Step 5: Solve for x
    x = 23,069,142,862,953,940,254,720/231,787,012,082.30
  6. Step 6: Final answer
    x = 99,527,331,819.45

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1.5x scale

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.