Home / 411,972,009.88-617,862,219.36-153,309,046.36

Finding the Fourth Proportional to 411,972,009.88, 617,862,219.36 and 153,309,046.36

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Solution

The fourth proportional to 411,972,009.88, 617,862,219.36 and 153,309,046.36 is: 229,927,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,972,009.88 : 617,862,219.36 = 153,309,046.36 : x
  2. Step 2: Convert to fraction form
    411,972,009.88/617,862,219.36 = 153,309,046.36/x
  3. Step 3: Cross multiply
    411,972,009.88x = 617,862,219.36 × 153,309,046.36
  4. Step 4: Simplify right side
    411,972,009.88x = 94,723,867,631,954,736
  5. Step 5: Solve for x
    x = 94,723,867,631,954,736/411,972,009.88
  6. Step 6: Final answer
    x = 229,927,920.73

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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.