Home / 1,191,844,932.18-1,643,814,246.69-774,291,753.06

Finding the Fourth Proportional to 1,191,844,932.18, 1,643,814,246.69 and 774,291,753.06

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Solution

The fourth proportional to 1,191,844,932.18, 1,643,814,246.69 and 774,291,753.06 is: 1,067,917,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,844,932.18 : 1,643,814,246.69 = 774,291,753.06 : x
  2. Step 2: Convert to fraction form
    1,191,844,932.18/1,643,814,246.69 = 774,291,753.06/x
  3. Step 3: Cross multiply
    1,191,844,932.18x = 1,643,814,246.69 × 774,291,753.06
  4. Step 4: Simplify right side
    1,191,844,932.18x = 1,272,791,814,774,603,264
  5. Step 5: Solve for x
    x = 1,272,791,814,774,603,264/1,191,844,932.18
  6. Step 6: Final answer
    x = 1,067,917,293.94

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Why These Related Problems?

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