Home / 787,733,400.80-1,181,650,515.60-303,059,208.80

Finding the Fourth Proportional to 787,733,400.80, 1,181,650,515.60 and 303,059,208.80

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Solution

The fourth proportional to 787,733,400.80, 1,181,650,515.60 and 303,059,208.80 is: 454,608,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,733,400.80 : 1,181,650,515.60 = 303,059,208.80 : x
  2. Step 2: Convert to fraction form
    787,733,400.80/1,181,650,515.60 = 303,059,208.80/x
  3. Step 3: Cross multiply
    787,733,400.80x = 1,181,650,515.60 × 303,059,208.80
  4. Step 4: Simplify right side
    787,733,400.80x = 358,110,070,335,848,064
  5. Step 5: Solve for x
    x = 358,110,070,335,848,064/787,733,400.80
  6. Step 6: Final answer
    x = 454,608,208.78

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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.