Home / 627,792,258.87-940,827,453.84-397,349,993.43

Finding the Fourth Proportional to 627,792,258.87, 940,827,453.84 and 397,349,993.43

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Solution

The fourth proportional to 627,792,258.87, 940,827,453.84 and 397,349,993.43 is: 595,480,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,792,258.87 : 940,827,453.84 = 397,349,993.43 : x
  2. Step 2: Convert to fraction form
    627,792,258.87/940,827,453.84 = 397,349,993.43/x
  3. Step 3: Cross multiply
    627,792,258.87x = 940,827,453.84 × 397,349,993.43
  4. Step 4: Simplify right side
    627,792,258.87x = 373,837,782,602,087,680
  5. Step 5: Solve for x
    x = 373,837,782,602,087,680/627,792,258.87
  6. Step 6: Final answer
    x = 595,480,076.92

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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.