Home / 2,240,109,112.80-3,357,293,887.80-1,993,307,912.40

Finding the Fourth Proportional to 2,240,109,112.80, 3,357,293,887.80 and 1,993,307,912.40

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Solution

The fourth proportional to 2,240,109,112.80, 3,357,293,887.80 and 1,993,307,912.40 is: 2,987,408,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,109,112.80 : 3,357,293,887.80 = 1,993,307,912.40 : x
  2. Step 2: Convert to fraction form
    2,240,109,112.80/3,357,293,887.80 = 1,993,307,912.40/x
  3. Step 3: Cross multiply
    2,240,109,112.80x = 3,357,293,887.80 × 1,993,307,912.40
  4. Step 4: Simplify right side
    2,240,109,112.80x = 6,692,120,470,803,898,368
  5. Step 5: Solve for x
    x = 6,692,120,470,803,898,368/2,240,109,112.80
  6. Step 6: Final answer
    x = 2,987,408,261.75

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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.