Home / 326,596,371.40-489,894,557.10-163,337,696.20

Finding the Fourth Proportional to 326,596,371.40, 489,894,557.10 and 163,337,696.20

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Solution

The fourth proportional to 326,596,371.40, 489,894,557.10 and 163,337,696.20 is: 245,006,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,596,371.40 : 489,894,557.10 = 163,337,696.20 : x
  2. Step 2: Convert to fraction form
    326,596,371.40/489,894,557.10 = 163,337,696.20/x
  3. Step 3: Cross multiply
    326,596,371.40x = 489,894,557.10 × 163,337,696.20
  4. Step 4: Simplify right side
    326,596,371.40x = 80,018,248,337,633,344
  5. Step 5: Solve for x
    x = 80,018,248,337,633,344/326,596,371.40
  6. Step 6: Final answer
    x = 245,006,544.30

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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.