Home / 1,213,056,015.90-1,819,584,023.85-804,573,404.70

Finding the Fourth Proportional to 1,213,056,015.90, 1,819,584,023.85 and 804,573,404.70

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Solution

The fourth proportional to 1,213,056,015.90, 1,819,584,023.85 and 804,573,404.70 is: 1,206,860,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,015.90 : 1,819,584,023.85 = 804,573,404.70 : x
  2. Step 2: Convert to fraction form
    1,213,056,015.90/1,819,584,023.85 = 804,573,404.70/x
  3. Step 3: Cross multiply
    1,213,056,015.90x = 1,819,584,023.85 × 804,573,404.70
  4. Step 4: Simplify right side
    1,213,056,015.90x = 1,463,988,913,206,720,512
  5. Step 5: Solve for x
    x = 1,463,988,913,206,720,512/1,213,056,015.90
  6. Step 6: Final answer
    x = 1,206,860,107.05

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Double scale
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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.