Home / 627,792,256.23-940,827,449.79-397,349,990.79

Finding the Fourth Proportional to 627,792,256.23, 940,827,449.79 and 397,349,990.79

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Solution

The fourth proportional to 627,792,256.23, 940,827,449.79 and 397,349,990.79 is: 595,480,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,792,256.23 : 940,827,449.79 = 397,349,990.79 : x
  2. Step 2: Convert to fraction form
    627,792,256.23/940,827,449.79 = 397,349,990.79/x
  3. Step 3: Cross multiply
    627,792,256.23x = 940,827,449.79 × 397,349,990.79
  4. Step 4: Simplify right side
    627,792,256.23x = 373,837,778,509,035,712
  5. Step 5: Solve for x
    x = 373,837,778,509,035,712/627,792,256.23
  6. Step 6: Final answer
    x = 595,480,072.91

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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.