Home / 374,679,734.82-517,064,155.56-205,131,144.02

Finding the Fourth Proportional to 374,679,734.82, 517,064,155.56 and 205,131,144.02

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Solution

The fourth proportional to 374,679,734.82, 517,064,155.56 and 205,131,144.02 is: 283,084,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,679,734.82 : 517,064,155.56 = 205,131,144.02 : x
  2. Step 2: Convert to fraction form
    374,679,734.82/517,064,155.56 = 205,131,144.02/x
  3. Step 3: Cross multiply
    374,679,734.82x = 517,064,155.56 × 205,131,144.02
  4. Step 4: Simplify right side
    374,679,734.82x = 106,065,961,759,172,720
  5. Step 5: Solve for x
    x = 106,065,961,759,172,720/374,679,734.82
  6. Step 6: Final answer
    x = 283,084,330.17

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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.