Home / 2,638,110,018.07-3,957,292,296.53-867,441,535.60

Finding the Fourth Proportional to 2,638,110,018.07, 3,957,292,296.53 and 867,441,535.60

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Solution

The fourth proportional to 2,638,110,018.07, 3,957,292,296.53 and 867,441,535.60 is: 1,301,204,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,110,018.07 : 3,957,292,296.53 = 867,441,535.60 : x
  2. Step 2: Convert to fraction form
    2,638,110,018.07/3,957,292,296.53 = 867,441,535.60/x
  3. Step 3: Cross multiply
    2,638,110,018.07x = 3,957,292,296.53 × 867,441,535.60
  4. Step 4: Simplify right side
    2,638,110,018.07x = 3,432,719,706,520,033,792
  5. Step 5: Solve for x
    x = 3,432,719,706,520,033,792/2,638,110,018.07
  6. Step 6: Final answer
    x = 1,301,204,151.08

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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.