Home / 1,408,921,733.09-2,111,544,145.92-787,111,848.24

Finding the Fourth Proportional to 1,408,921,733.09, 2,111,544,145.92 and 787,111,848.24

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Solution

The fourth proportional to 1,408,921,733.09, 2,111,544,145.92 and 787,111,848.24 is: 1,179,640,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,921,733.09 : 2,111,544,145.92 = 787,111,848.24 : x
  2. Step 2: Convert to fraction form
    1,408,921,733.09/2,111,544,145.92 = 787,111,848.24/x
  3. Step 3: Cross multiply
    1,408,921,733.09x = 2,111,544,145.92 × 787,111,848.24
  4. Step 4: Simplify right side
    1,408,921,733.09x = 1,662,021,415,340,079,360
  5. Step 5: Solve for x
    x = 1,662,021,415,340,079,360/1,408,921,733.09
  6. Step 6: Final answer
    x = 1,179,640,697.07

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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.