Home / 445,818,523.80-668,160,915.30-215,291,227.80

Finding the Fourth Proportional to 445,818,523.80, 668,160,915.30 and 215,291,227.80

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Solution

The fourth proportional to 445,818,523.80, 668,160,915.30 and 215,291,227.80 is: 322,663,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,818,523.80 : 668,160,915.30 = 215,291,227.80 : x
  2. Step 2: Convert to fraction form
    445,818,523.80/668,160,915.30 = 215,291,227.80/x
  3. Step 3: Cross multiply
    445,818,523.80x = 668,160,915.30 × 215,291,227.80
  4. Step 4: Simplify right side
    445,818,523.80x = 143,849,183,822,908,800
  5. Step 5: Solve for x
    x = 143,849,183,822,908,800/445,818,523.80
  6. Step 6: Final answer
    x = 322,663,093.04

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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.