Home / 1,416,210,415,103.90-1,954,376,261,138.20-765,888,998,729.76

Finding the Fourth Proportional to 1,416,210,415,103.90, 1,954,376,261,138.20 and 765,888,998,729.76

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Solution

The fourth proportional to 1,416,210,415,103.90, 1,954,376,261,138.20 and 765,888,998,729.76 is: 1,056,930,002,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,210,415,103.90 : 1,954,376,261,138.20 = 765,888,998,729.76 : x
  2. Step 2: Convert to fraction form
    1,416,210,415,103.90/1,954,376,261,138.20 = 765,888,998,729.76/x
  3. Step 3: Cross multiply
    1,416,210,415,103.90x = 1,954,376,261,138.20 × 765,888,998,729.76
  4. Step 4: Simplify right side
    1,416,210,415,103.90x = 1,496,835,277,784,348,052,422,656
  5. Step 5: Solve for x
    x = 1,496,835,277,784,348,052,422,656/1,416,210,415,103.90
  6. Step 6: Final answer
    x = 1,056,930,002,646.91

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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.