Home / 326,646,029.40-489,969,044.10-211,004,467.80

Finding the Fourth Proportional to 326,646,029.40, 489,969,044.10 and 211,004,467.80

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Solution

The fourth proportional to 326,646,029.40, 489,969,044.10 and 211,004,467.80 is: 316,506,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,646,029.40 : 489,969,044.10 = 211,004,467.80 : x
  2. Step 2: Convert to fraction form
    326,646,029.40/489,969,044.10 = 211,004,467.80/x
  3. Step 3: Cross multiply
    326,646,029.40x = 489,969,044.10 × 211,004,467.80
  4. Step 4: Simplify right side
    326,646,029.40x = 103,385,657,388,795,248
  5. Step 5: Solve for x
    x = 103,385,657,388,795,248/326,646,029.40
  6. Step 6: Final answer
    x = 316,506,701.70

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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.