Home / 357,353,721.80-536,030,582.70-321,074,016.20

Finding the Fourth Proportional to 357,353,721.80, 536,030,582.70 and 321,074,016.20

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Solution

The fourth proportional to 357,353,721.80, 536,030,582.70 and 321,074,016.20 is: 481,611,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,353,721.80 : 536,030,582.70 = 321,074,016.20 : x
  2. Step 2: Convert to fraction form
    357,353,721.80/536,030,582.70 = 321,074,016.20/x
  3. Step 3: Cross multiply
    357,353,721.80x = 536,030,582.70 × 321,074,016.20
  4. Step 4: Simplify right side
    357,353,721.80x = 172,105,491,993,515,232
  5. Step 5: Solve for x
    x = 172,105,491,993,515,232/357,353,721.80
  6. Step 6: Final answer
    x = 481,611,024.30

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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.