Home / 19,879,463,260.88-29,818,998,383.25-9,107,689,151.33

Finding the Fourth Proportional to 19,879,463,260.88, 29,818,998,383.25 and 9,107,689,151.33

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Solution

The fourth proportional to 19,879,463,260.88, 29,818,998,383.25 and 9,107,689,151.33 is: 13,661,443,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,260.88 : 29,818,998,383.25 = 9,107,689,151.33 : x
  2. Step 2: Convert to fraction form
    19,879,463,260.88/29,818,998,383.25 = 9,107,689,151.33/x
  3. Step 3: Cross multiply
    19,879,463,260.88x = 29,818,998,383.25 × 9,107,689,151.33
  4. Step 4: Simplify right side
    19,879,463,260.88x = 271,582,168,078,652,833,792
  5. Step 5: Solve for x
    x = 271,582,168,078,652,833,792/19,879,463,260.88
  6. Step 6: Final answer
    x = 13,661,443,697.68

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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.