Home / 1,091,200,106.48-1,505,856,751.03-589,408,887.56

Finding the Fourth Proportional to 1,091,200,106.48, 1,505,856,751.03 and 589,408,887.56

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Solution

The fourth proportional to 1,091,200,106.48, 1,505,856,751.03 and 589,408,887.56 is: 813,384,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,106.48 : 1,505,856,751.03 = 589,408,887.56 : x
  2. Step 2: Convert to fraction form
    1,091,200,106.48/1,505,856,751.03 = 589,408,887.56/x
  3. Step 3: Cross multiply
    1,091,200,106.48x = 1,505,856,751.03 × 589,408,887.56
  4. Step 4: Simplify right side
    1,091,200,106.48x = 887,565,352,447,068,416
  5. Step 5: Solve for x
    x = 887,565,352,447,068,416/1,091,200,106.48
  6. Step 6: Final answer
    x = 813,384,591.13

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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.