Home / 374,510,719.98-561,988,008.54-208,653,049.26

Finding the Fourth Proportional to 374,510,719.98, 561,988,008.54 and 208,653,049.26

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Solution

The fourth proportional to 374,510,719.98, 561,988,008.54 and 208,653,049.26 is: 313,103,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,510,719.98 : 561,988,008.54 = 208,653,049.26 : x
  2. Step 2: Convert to fraction form
    374,510,719.98/561,988,008.54 = 208,653,049.26/x
  3. Step 3: Cross multiply
    374,510,719.98x = 561,988,008.54 × 208,653,049.26
  4. Step 4: Simplify right side
    374,510,719.98x = 117,260,511,629,425,904
  5. Step 5: Solve for x
    x = 117,260,511,629,425,904/374,510,719.98
  6. Step 6: Final answer
    x = 313,103,218.08

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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.