Home / 627,093,459.12-940,676,799.06-190,408,389.42

Finding the Fourth Proportional to 627,093,459.12, 940,676,799.06 and 190,408,389.42

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Solution

The fourth proportional to 627,093,459.12, 940,676,799.06 and 190,408,389.42 is: 285,623,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,093,459.12 : 940,676,799.06 = 190,408,389.42 : x
  2. Step 2: Convert to fraction form
    627,093,459.12/940,676,799.06 = 190,408,389.42/x
  3. Step 3: Cross multiply
    627,093,459.12x = 940,676,799.06 × 190,408,389.42
  4. Step 4: Simplify right side
    627,093,459.12x = 179,112,754,273,775,552
  5. Step 5: Solve for x
    x = 179,112,754,273,775,552/627,093,459.12
  6. Step 6: Final answer
    x = 285,623,700.37

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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.