Home / 462,421,618.82-693,597,541.82-147,274,912.67

Finding the Fourth Proportional to 462,421,618.82, 693,597,541.82 and 147,274,912.67

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Solution

The fourth proportional to 462,421,618.82, 693,597,541.82 and 147,274,912.67 is: 220,901,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,421,618.82 : 693,597,541.82 = 147,274,912.67 : x
  2. Step 2: Convert to fraction form
    462,421,618.82/693,597,541.82 = 147,274,912.67/x
  3. Step 3: Cross multiply
    462,421,618.82x = 693,597,541.82 × 147,274,912.67
  4. Step 4: Simplify right side
    462,421,618.82x = 102,149,517,396,199,184
  5. Step 5: Solve for x
    x = 102,149,517,396,199,184/462,421,618.82
  6. Step 6: Final answer
    x = 220,901,258.16

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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.