Home / 3,220,572,748.52-4,829,662,986.66-1,121,510,115.80

Finding the Fourth Proportional to 3,220,572,748.52, 4,829,662,986.66 and 1,121,510,115.80

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Solution

The fourth proportional to 3,220,572,748.52, 4,829,662,986.66 and 1,121,510,115.80 is: 1,681,848,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,572,748.52 : 4,829,662,986.66 = 1,121,510,115.80 : x
  2. Step 2: Convert to fraction form
    3,220,572,748.52/4,829,662,986.66 = 1,121,510,115.80/x
  3. Step 3: Cross multiply
    3,220,572,748.52x = 4,829,662,986.66 × 1,121,510,115.80
  4. Step 4: Simplify right side
    3,220,572,748.52x = 5,416,515,895,444,030,464
  5. Step 5: Solve for x
    x = 5,416,515,895,444,030,464/3,220,572,748.52
  6. Step 6: Final answer
    x = 1,681,848,639.48

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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.