Home / 1,213,056,017.90-1,819,584,026.85-804,573,406.70

Finding the Fourth Proportional to 1,213,056,017.90, 1,819,584,026.85 and 804,573,406.70

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Solution

The fourth proportional to 1,213,056,017.90, 1,819,584,026.85 and 804,573,406.70 is: 1,206,860,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,017.90 : 1,819,584,026.85 = 804,573,406.70 : x
  2. Step 2: Convert to fraction form
    1,213,056,017.90/1,819,584,026.85 = 804,573,406.70/x
  3. Step 3: Cross multiply
    1,213,056,017.90x = 1,819,584,026.85 × 804,573,406.70
  4. Step 4: Simplify right side
    1,213,056,017.90x = 1,463,988,919,259,608,832
  5. Step 5: Solve for x
    x = 1,463,988,919,259,608,832/1,213,056,017.90
  6. Step 6: Final answer
    x = 1,206,860,110.05

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Double scale
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Similar ratio
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1.5x scale

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.