Home / 627,792,374.76-940,827,627.48-397,350,109.32

Finding the Fourth Proportional to 627,792,374.76, 940,827,627.48 and 397,350,109.32

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Solution

The fourth proportional to 627,792,374.76, 940,827,627.48 and 397,350,109.32 is: 595,480,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,792,374.76 : 940,827,627.48 = 397,350,109.32 : x
  2. Step 2: Convert to fraction form
    627,792,374.76/940,827,627.48 = 397,350,109.32/x
  3. Step 3: Cross multiply
    627,792,374.76x = 940,827,627.48 × 397,350,109.32
  4. Step 4: Simplify right side
    627,792,374.76x = 373,837,960,630,454,208
  5. Step 5: Solve for x
    x = 373,837,960,630,454,208/627,792,374.76
  6. Step 6: Final answer
    x = 595,480,250.57

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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.