Home / 627,264,727.20-940,897,090.80-603,456,170.40

Finding the Fourth Proportional to 627,264,727.20, 940,897,090.80 and 603,456,170.40

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Solution

The fourth proportional to 627,264,727.20, 940,897,090.80 and 603,456,170.40 is: 905,184,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,264,727.20 : 940,897,090.80 = 603,456,170.40 : x
  2. Step 2: Convert to fraction form
    627,264,727.20/940,897,090.80 = 603,456,170.40/x
  3. Step 3: Cross multiply
    627,264,727.20x = 940,897,090.80 × 603,456,170.40
  4. Step 4: Simplify right side
    627,264,727.20x = 567,790,155,154,668,992
  5. Step 5: Solve for x
    x = 567,790,155,154,668,992/627,264,727.20
  6. Step 6: Final answer
    x = 905,184,255.60

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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.