Home / 354,294,996.80-531,442,495.20-328,466,964.20

Finding the Fourth Proportional to 354,294,996.80, 531,442,495.20 and 328,466,964.20

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Solution

The fourth proportional to 354,294,996.80, 531,442,495.20 and 328,466,964.20 is: 492,700,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,996.80 : 531,442,495.20 = 328,466,964.20 : x
  2. Step 2: Convert to fraction form
    354,294,996.80/531,442,495.20 = 328,466,964.20/x
  3. Step 3: Cross multiply
    354,294,996.80x = 531,442,495.20 × 328,466,964.20
  4. Step 4: Simplify right side
    354,294,996.80x = 174,561,303,045,217,056
  5. Step 5: Solve for x
    x = 174,561,303,045,217,056/354,294,996.80
  6. Step 6: Final answer
    x = 492,700,446.30

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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.