Home / 940,640,202.18-1,411,015,218.84-285,612,597.64

Finding the Fourth Proportional to 940,640,202.18, 1,411,015,218.84 and 285,612,597.64

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Solution

The fourth proportional to 940,640,202.18, 1,411,015,218.84 and 285,612,597.64 is: 428,435,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,640,202.18 : 1,411,015,218.84 = 285,612,597.64 : x
  2. Step 2: Convert to fraction form
    940,640,202.18/1,411,015,218.84 = 285,612,597.64/x
  3. Step 3: Cross multiply
    940,640,202.18x = 1,411,015,218.84 × 285,612,597.64
  4. Step 4: Simplify right side
    940,640,202.18x = 403,003,721,962,465,408
  5. Step 5: Solve for x
    x = 403,003,721,962,465,408/940,640,202.18
  6. Step 6: Final answer
    x = 428,435,570.83

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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.