Home / 627,369,815.92-940,855,071.08-207,112,938.61

Finding the Fourth Proportional to 627,369,815.92, 940,855,071.08 and 207,112,938.61

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Solution

The fourth proportional to 627,369,815.92, 940,855,071.08 and 207,112,938.61 is: 310,603,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,369,815.92 : 940,855,071.08 = 207,112,938.61 : x
  2. Step 2: Convert to fraction form
    627,369,815.92/940,855,071.08 = 207,112,938.61/x
  3. Step 3: Cross multiply
    627,369,815.92x = 940,855,071.08 × 207,112,938.61
  4. Step 4: Simplify right side
    627,369,815.92x = 194,863,258,576,849,632
  5. Step 5: Solve for x
    x = 194,863,258,576,849,632/627,369,815.92
  6. Step 6: Final answer
    x = 310,603,496.75

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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.