Home / 436,642,611.12-652,974,555.52-326,055,939.20

Finding the Fourth Proportional to 436,642,611.12, 652,974,555.52 and 326,055,939.20

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Solution

The fourth proportional to 436,642,611.12, 652,974,555.52 and 326,055,939.20 is: 487,598,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,642,611.12 : 652,974,555.52 = 326,055,939.20 : x
  2. Step 2: Convert to fraction form
    436,642,611.12/652,974,555.52 = 326,055,939.20/x
  3. Step 3: Cross multiply
    436,642,611.12x = 652,974,555.52 × 326,055,939.20
  4. Step 4: Simplify right side
    436,642,611.12x = 212,906,231,973,776,128
  5. Step 5: Solve for x
    x = 212,906,231,973,776,128/436,642,611.12
  6. Step 6: Final answer
    x = 487,598,384.93

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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.