Home / 404,352,646.20-606,528,969.30-323,731,078.20

Finding the Fourth Proportional to 404,352,646.20, 606,528,969.30 and 323,731,078.20

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Solution

The fourth proportional to 404,352,646.20, 606,528,969.30 and 323,731,078.20 is: 485,596,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,646.20 : 606,528,969.30 = 323,731,078.20 : x
  2. Step 2: Convert to fraction form
    404,352,646.20/606,528,969.30 = 323,731,078.20/x
  3. Step 3: Cross multiply
    404,352,646.20x = 606,528,969.30 × 323,731,078.20
  4. Step 4: Simplify right side
    404,352,646.20x = 196,352,277,191,023,680
  5. Step 5: Solve for x
    x = 196,352,277,191,023,680/404,352,646.20
  6. Step 6: Final answer
    x = 485,596,617.30

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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.