Home / 627,792,254.73-940,827,447.54-397,349,989.29

Finding the Fourth Proportional to 627,792,254.73, 940,827,447.54 and 397,349,989.29

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Solution

The fourth proportional to 627,792,254.73, 940,827,447.54 and 397,349,989.29 is: 595,480,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,792,254.73 : 940,827,447.54 = 397,349,989.29 : x
  2. Step 2: Convert to fraction form
    627,792,254.73/940,827,447.54 = 397,349,989.29/x
  3. Step 3: Cross multiply
    627,792,254.73x = 940,827,447.54 × 397,349,989.29
  4. Step 4: Simplify right side
    627,792,254.73x = 373,837,776,203,757,056
  5. Step 5: Solve for x
    x = 373,837,776,203,757,056/627,792,254.73
  6. Step 6: Final answer
    x = 595,480,070.66

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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.