Home / 1,120,337,138.72-1,546,067,391.36-618,546,893.60

Finding the Fourth Proportional to 1,120,337,138.72, 1,546,067,391.36 and 618,546,893.60

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Solution

The fourth proportional to 1,120,337,138.72, 1,546,067,391.36 and 618,546,893.60 is: 853,595,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,337,138.72 : 1,546,067,391.36 = 618,546,893.60 : x
  2. Step 2: Convert to fraction form
    1,120,337,138.72/1,546,067,391.36 = 618,546,893.60/x
  3. Step 3: Cross multiply
    1,120,337,138.72x = 1,546,067,391.36 × 618,546,893.60
  4. Step 4: Simplify right side
    1,120,337,138.72x = 956,315,182,221,983,488
  5. Step 5: Solve for x
    x = 956,315,182,221,983,488/1,120,337,138.72
  6. Step 6: Final answer
    x = 853,595,894.64

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Double scale
Find fourth proportional to 1,120,337,139.72, 1,546,067,392.74 and 618,546,894.60
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.