Home / 627,369,820.05-940,855,077.27-207,112,942.74

Finding the Fourth Proportional to 627,369,820.05, 940,855,077.27 and 207,112,942.74

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Solution

The fourth proportional to 627,369,820.05, 940,855,077.27 and 207,112,942.74 is: 310,603,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,369,820.05 : 940,855,077.27 = 207,112,942.74 : x
  2. Step 2: Convert to fraction form
    627,369,820.05/940,855,077.27 = 207,112,942.74/x
  3. Step 3: Cross multiply
    627,369,820.05x = 940,855,077.27 × 207,112,942.74
  4. Step 4: Simplify right side
    627,369,820.05x = 194,863,263,745,259,776
  5. Step 5: Solve for x
    x = 194,863,263,745,259,776/627,369,820.05
  6. Step 6: Final answer
    x = 310,603,502.94

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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.