Home / 2,858,344,221.48-4,286,501,681.20-838,645,742.12

Finding the Fourth Proportional to 2,858,344,221.48, 4,286,501,681.20 and 838,645,742.12

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Solution

The fourth proportional to 2,858,344,221.48, 4,286,501,681.20 and 838,645,742.12 is: 1,257,670,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,344,221.48 : 4,286,501,681.20 = 838,645,742.12 : x
  2. Step 2: Convert to fraction form
    2,858,344,221.48/4,286,501,681.20 = 838,645,742.12/x
  3. Step 3: Cross multiply
    2,858,344,221.48x = 4,286,501,681.20 × 838,645,742.12
  4. Step 4: Simplify right side
    2,858,344,221.48x = 3,594,856,383,528,601,600
  5. Step 5: Solve for x
    x = 3,594,856,383,528,601,600/2,858,344,221.48
  6. Step 6: Final answer
    x = 1,257,670,911.89

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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.