Home / 1,645,061,778.67-2,467,598,441.69-418,230,361.39

Finding the Fourth Proportional to 1,645,061,778.67, 2,467,598,441.69 and 418,230,361.39

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Solution

The fourth proportional to 1,645,061,778.67, 2,467,598,441.69 and 418,230,361.39 is: 627,347,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,061,778.67 : 2,467,598,441.69 = 418,230,361.39 : x
  2. Step 2: Convert to fraction form
    1,645,061,778.67/2,467,598,441.69 = 418,230,361.39/x
  3. Step 3: Cross multiply
    1,645,061,778.67x = 2,467,598,441.69 × 418,230,361.39
  4. Step 4: Simplify right side
    1,645,061,778.67x = 1,032,024,588,033,409,536
  5. Step 5: Solve for x
    x = 1,032,024,588,033,409,536/1,645,061,778.67
  6. Step 6: Final answer
    x = 627,347,009.95

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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.