Home / 627,369,820.93-940,855,078.57-207,112,943.62

Finding the Fourth Proportional to 627,369,820.93, 940,855,078.57 and 207,112,943.62

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Solution

The fourth proportional to 627,369,820.93, 940,855,078.57 and 207,112,943.62 is: 310,603,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,369,820.93 : 940,855,078.57 = 207,112,943.62 : x
  2. Step 2: Convert to fraction form
    627,369,820.93/940,855,078.57 = 207,112,943.62/x
  3. Step 3: Cross multiply
    627,369,820.93x = 940,855,078.57 × 207,112,943.62
  4. Step 4: Simplify right side
    627,369,820.93x = 194,863,264,842,459,104
  5. Step 5: Solve for x
    x = 194,863,264,842,459,104/627,369,820.93
  6. Step 6: Final answer
    x = 310,603,504.25

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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.