Home / 328,290,514.52-492,571,424.10-143,962,611.80

Finding the Fourth Proportional to 328,290,514.52, 492,571,424.10 and 143,962,611.80

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Solution

The fourth proportional to 328,290,514.52, 492,571,424.10 and 143,962,611.80 is: 216,003,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,290,514.52 : 492,571,424.10 = 143,962,611.80 : x
  2. Step 2: Convert to fraction form
    328,290,514.52/492,571,424.10 = 143,962,611.80/x
  3. Step 3: Cross multiply
    328,290,514.52x = 492,571,424.10 × 143,962,611.80
  4. Step 4: Simplify right side
    328,290,514.52x = 70,911,868,711,481,472
  5. Step 5: Solve for x
    x = 70,911,868,711,481,472/328,290,514.52
  6. Step 6: Final answer
    x = 216,003,404.23

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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.