Home / 411,329,102.20-567,644,605.08-225,690,068.68

Finding the Fourth Proportional to 411,329,102.20, 567,644,605.08 and 225,690,068.68

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Solution

The fourth proportional to 411,329,102.20, 567,644,605.08 and 225,690,068.68 is: 311,458,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,329,102.20 : 567,644,605.08 = 225,690,068.68 : x
  2. Step 2: Convert to fraction form
    411,329,102.20/567,644,605.08 = 225,690,068.68/x
  3. Step 3: Cross multiply
    411,329,102.20x = 567,644,605.08 × 225,690,068.68
  4. Step 4: Simplify right side
    411,329,102.20x = 128,111,749,906,336,688
  5. Step 5: Solve for x
    x = 128,111,749,906,336,688/411,329,102.20
  6. Step 6: Final answer
    x = 311,458,025.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.