Home / 1,277,603,209.80-1,916,404,814.70-550,591,921.80

Finding the Fourth Proportional to 1,277,603,209.80, 1,916,404,814.70 and 550,591,921.80

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Solution

The fourth proportional to 1,277,603,209.80, 1,916,404,814.70 and 550,591,921.80 is: 825,887,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,603,209.80 : 1,916,404,814.70 = 550,591,921.80 : x
  2. Step 2: Convert to fraction form
    1,277,603,209.80/1,916,404,814.70 = 550,591,921.80/x
  3. Step 3: Cross multiply
    1,277,603,209.80x = 1,916,404,814.70 × 550,591,921.80
  4. Step 4: Simplify right side
    1,277,603,209.80x = 1,055,157,009,872,445,824
  5. Step 5: Solve for x
    x = 1,055,157,009,872,445,824/1,277,603,209.80
  6. Step 6: Final answer
    x = 825,887,882.70

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Half scale
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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.