Home / 1,277,603,217.80-1,916,404,826.70-550,591,929.80

Finding the Fourth Proportional to 1,277,603,217.80, 1,916,404,826.70 and 550,591,929.80

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Solution

The fourth proportional to 1,277,603,217.80, 1,916,404,826.70 and 550,591,929.80 is: 825,887,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,603,217.80 : 1,916,404,826.70 = 550,591,929.80 : x
  2. Step 2: Convert to fraction form
    1,277,603,217.80/1,916,404,826.70 = 550,591,929.80/x
  3. Step 3: Cross multiply
    1,277,603,217.80x = 1,916,404,826.70 × 550,591,929.80
  4. Step 4: Simplify right side
    1,277,603,217.80x = 1,055,157,031,810,787,456
  5. Step 5: Solve for x
    x = 1,055,157,031,810,787,456/1,277,603,217.80
  6. Step 6: Final answer
    x = 825,887,894.70

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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.