Home / 975,560,992.32-1,463,628,949.44-392,995,456.32

Finding the Fourth Proportional to 975,560,992.32, 1,463,628,949.44 and 392,995,456.32

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Solution

The fourth proportional to 975,560,992.32, 1,463,628,949.44 and 392,995,456.32 is: 589,608,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,560,992.32 : 1,463,628,949.44 = 392,995,456.32 : x
  2. Step 2: Convert to fraction form
    975,560,992.32/1,463,628,949.44 = 392,995,456.32/x
  3. Step 3: Cross multiply
    975,560,992.32x = 1,463,628,949.44 × 392,995,456.32
  4. Step 4: Simplify right side
    975,560,992.32x = 575,199,526,868,335,040
  5. Step 5: Solve for x
    x = 575,199,526,868,335,040/975,560,992.32
  6. Step 6: Final answer
    x = 589,608,985.39

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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.