Home / 326,604,857.40-489,907,286.10-132,609,209.40

Finding the Fourth Proportional to 326,604,857.40, 489,907,286.10 and 132,609,209.40

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Solution

The fourth proportional to 326,604,857.40, 489,907,286.10 and 132,609,209.40 is: 198,913,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,604,857.40 : 489,907,286.10 = 132,609,209.40 : x
  2. Step 2: Convert to fraction form
    326,604,857.40/489,907,286.10 = 132,609,209.40/x
  3. Step 3: Cross multiply
    326,604,857.40x = 489,907,286.10 × 132,609,209.40
  4. Step 4: Simplify right side
    326,604,857.40x = 64,966,217,889,020,616
  5. Step 5: Solve for x
    x = 64,966,217,889,020,616/326,604,857.40
  6. Step 6: Final answer
    x = 198,913,814.10

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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.