Home / 400,947,671,388.84-601,686,466,515.09-188,772,481,885.92

Finding the Fourth Proportional to 400,947,671,388.84, 601,686,466,515.09 and 188,772,481,885.92

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Solution

The fourth proportional to 400,947,671,388.84, 601,686,466,515.09 and 188,772,481,885.92 is: 283,283,469,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,947,671,388.84 : 601,686,466,515.09 = 188,772,481,885.92 : x
  2. Step 2: Convert to fraction form
    400,947,671,388.84/601,686,466,515.09 = 188,772,481,885.92/x
  3. Step 3: Cross multiply
    400,947,671,388.84x = 601,686,466,515.09 × 188,772,481,885.92
  4. Step 4: Simplify right side
    400,947,671,388.84x = 113,581,847,601,223,038,926,848
  5. Step 5: Solve for x
    x = 113,581,847,601,223,038,926,848/400,947,671,388.84
  6. Step 6: Final answer
    x = 283,283,469,904.66

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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.