Home / 638,190,317-880,702,674.25-344,834,885

Finding the Fourth Proportional to 638,190,317, 880,702,674.25 and 344,834,885

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Solution

The fourth proportional to 638,190,317, 880,702,674.25 and 344,834,885 is: 475,872,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,190,317 : 880,702,674.25 = 344,834,885 : x
  2. Step 2: Convert to fraction form
    638,190,317/880,702,674.25 = 344,834,885/x
  3. Step 3: Cross multiply
    638,190,317x = 880,702,674.25 × 344,834,885
  4. Step 4: Simplify right side
    638,190,317x = 303,697,005,394,191,232
  5. Step 5: Solve for x
    x = 303,697,005,394,191,232/638,190,317
  6. Step 6: Final answer
    x = 475,872,161.18

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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.