Home / 1,139,542,846.70-1,709,314,270.05-955,876,837.10

Finding the Fourth Proportional to 1,139,542,846.70, 1,709,314,270.05 and 955,876,837.10

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Solution

The fourth proportional to 1,139,542,846.70, 1,709,314,270.05 and 955,876,837.10 is: 1,433,815,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,542,846.70 : 1,709,314,270.05 = 955,876,837.10 : x
  2. Step 2: Convert to fraction form
    1,139,542,846.70/1,709,314,270.05 = 955,876,837.10/x
  3. Step 3: Cross multiply
    1,139,542,846.70x = 1,709,314,270.05 × 955,876,837.10
  4. Step 4: Simplify right side
    1,139,542,846.70x = 1,633,893,918,065,289,216
  5. Step 5: Solve for x
    x = 1,633,893,918,065,289,216/1,139,542,846.70
  6. Step 6: Final answer
    x = 1,433,815,255.65

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Double scale
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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.