Home / 479,011,418.22-718,638,485.22-147,035,258.85

Finding the Fourth Proportional to 479,011,418.22, 718,638,485.22 and 147,035,258.85

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Solution

The fourth proportional to 479,011,418.22, 718,638,485.22 and 147,035,258.85 is: 220,590,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,011,418.22 : 718,638,485.22 = 147,035,258.85 : x
  2. Step 2: Convert to fraction form
    479,011,418.22/718,638,485.22 = 147,035,258.85/x
  3. Step 3: Cross multiply
    479,011,418.22x = 718,638,485.22 × 147,035,258.85
  4. Step 4: Simplify right side
    479,011,418.22x = 105,665,195,693,894,592
  5. Step 5: Solve for x
    x = 105,665,195,693,894,592/479,011,418.22
  6. Step 6: Final answer
    x = 220,590,139.76

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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.