Home / 328,079,423.80-492,119,135.70-174,646,502.20

Finding the Fourth Proportional to 328,079,423.80, 492,119,135.70 and 174,646,502.20

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Solution

The fourth proportional to 328,079,423.80, 492,119,135.70 and 174,646,502.20 is: 261,969,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,079,423.80 : 492,119,135.70 = 174,646,502.20 : x
  2. Step 2: Convert to fraction form
    328,079,423.80/492,119,135.70 = 174,646,502.20/x
  3. Step 3: Cross multiply
    328,079,423.80x = 492,119,135.70 × 174,646,502.20
  4. Step 4: Simplify right side
    328,079,423.80x = 85,946,885,715,692,144
  5. Step 5: Solve for x
    x = 85,946,885,715,692,144/328,079,423.80
  6. Step 6: Final answer
    x = 261,969,753.30

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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.