Home / 1,213,056,066.90-1,819,584,100.35-804,573,455.70

Finding the Fourth Proportional to 1,213,056,066.90, 1,819,584,100.35 and 804,573,455.70

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Solution

The fourth proportional to 1,213,056,066.90, 1,819,584,100.35 and 804,573,455.70 is: 1,206,860,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,066.90 : 1,819,584,100.35 = 804,573,455.70 : x
  2. Step 2: Convert to fraction form
    1,213,056,066.90/1,819,584,100.35 = 804,573,455.70/x
  3. Step 3: Cross multiply
    1,213,056,066.90x = 1,819,584,100.35 × 804,573,455.70
  4. Step 4: Simplify right side
    1,213,056,066.90x = 1,463,989,067,555,375,104
  5. Step 5: Solve for x
    x = 1,463,989,067,555,375,104/1,213,056,066.90
  6. Step 6: Final answer
    x = 1,206,860,183.55

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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.