Home / 1,117,798,801.11-1,542,517,434.73-609,150,713.25

Finding the Fourth Proportional to 1,117,798,801.11, 1,542,517,434.73 and 609,150,713.25

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Solution

The fourth proportional to 1,117,798,801.11, 1,542,517,434.73 and 609,150,713.25 is: 840,603,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,798,801.11 : 1,542,517,434.73 = 609,150,713.25 : x
  2. Step 2: Convert to fraction form
    1,117,798,801.11/1,542,517,434.73 = 609,150,713.25/x
  3. Step 3: Cross multiply
    1,117,798,801.11x = 1,542,517,434.73 × 609,150,713.25
  4. Step 4: Simplify right side
    1,117,798,801.11x = 939,625,595,563,659,520
  5. Step 5: Solve for x
    x = 939,625,595,563,659,520/1,117,798,801.11
  6. Step 6: Final answer
    x = 840,603,509.89

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Double scale
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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.