Home / 326,646,044.70-489,969,067.05-144,893,222.70

Finding the Fourth Proportional to 326,646,044.70, 489,969,067.05 and 144,893,222.70

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Solution

The fourth proportional to 326,646,044.70, 489,969,067.05 and 144,893,222.70 is: 217,339,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,646,044.70 : 489,969,067.05 = 144,893,222.70 : x
  2. Step 2: Convert to fraction form
    326,646,044.70/489,969,067.05 = 144,893,222.70/x
  3. Step 3: Cross multiply
    326,646,044.70x = 489,969,067.05 × 144,893,222.70
  4. Step 4: Simplify right side
    326,646,044.70x = 70,993,197,148,186,880
  5. Step 5: Solve for x
    x = 70,993,197,148,186,880/326,646,044.70
  6. Step 6: Final answer
    x = 217,339,834.05

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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.