Home / 323,711,563.20-485,567,344.80-286,298,116.80

Finding the Fourth Proportional to 323,711,563.20, 485,567,344.80 and 286,298,116.80

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Solution

The fourth proportional to 323,711,563.20, 485,567,344.80 and 286,298,116.80 is: 429,447,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,711,563.20 : 485,567,344.80 = 286,298,116.80 : x
  2. Step 2: Convert to fraction form
    323,711,563.20/485,567,344.80 = 286,298,116.80/x
  3. Step 3: Cross multiply
    323,711,563.20x = 485,567,344.80 × 286,298,116.80
  4. Step 4: Simplify right side
    323,711,563.20x = 139,017,016,395,816,288
  5. Step 5: Solve for x
    x = 139,017,016,395,816,288/323,711,563.20
  6. Step 6: Final answer
    x = 429,447,175.20

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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.