Home / 400,947,671,394.09-601,686,466,522.95-188,772,481,891.17

Finding the Fourth Proportional to 400,947,671,394.09, 601,686,466,522.95 and 188,772,481,891.17

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Solution

The fourth proportional to 400,947,671,394.09, 601,686,466,522.95 and 188,772,481,891.17 is: 283,283,469,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,947,671,394.09 : 601,686,466,522.95 = 188,772,481,891.17 : x
  2. Step 2: Convert to fraction form
    400,947,671,394.09/601,686,466,522.95 = 188,772,481,891.17/x
  3. Step 3: Cross multiply
    400,947,671,394.09x = 601,686,466,522.95 × 188,772,481,891.17
  4. Step 4: Simplify right side
    400,947,671,394.09x = 113,581,847,605,865,646,915,584
  5. Step 5: Solve for x
    x = 113,581,847,605,865,646,915,584/400,947,671,394.09
  6. Step 6: Final answer
    x = 283,283,469,912.53

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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.