Home / 1,067,084,949.78-1,472,577,230.67-578,710,677.78

Finding the Fourth Proportional to 1,067,084,949.78, 1,472,577,230.67 and 578,710,677.78

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Solution

The fourth proportional to 1,067,084,949.78, 1,472,577,230.67 and 578,710,677.78 is: 798,620,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,084,949.78 : 1,472,577,230.67 = 578,710,677.78 : x
  2. Step 2: Convert to fraction form
    1,067,084,949.78/1,472,577,230.67 = 578,710,677.78/x
  3. Step 3: Cross multiply
    1,067,084,949.78x = 1,472,577,230.67 × 578,710,677.78
  4. Step 4: Simplify right side
    1,067,084,949.78x = 852,196,167,244,431,104
  5. Step 5: Solve for x
    x = 852,196,167,244,431,104/1,067,084,949.78
  6. Step 6: Final answer
    x = 798,620,735.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.