Home / 469,972,351.39-648,522,862.82-258,268,050.31

Finding the Fourth Proportional to 469,972,351.39, 648,522,862.82 and 258,268,050.31

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Solution

The fourth proportional to 469,972,351.39, 648,522,862.82 and 258,268,050.31 is: 356,388,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,972,351.39 : 648,522,862.82 = 258,268,050.31 : x
  2. Step 2: Convert to fraction form
    469,972,351.39/648,522,862.82 = 258,268,050.31/x
  3. Step 3: Cross multiply
    469,972,351.39x = 648,522,862.82 × 258,268,050.31
  4. Step 4: Simplify right side
    469,972,351.39x = 167,492,735,360,689,664
  5. Step 5: Solve for x
    x = 167,492,735,360,689,664/469,972,351.39
  6. Step 6: Final answer
    x = 356,388,487.25

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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.