Home / 998,879,972,459.84-1,378,218,103,775-565,332,361,383.93

Finding the Fourth Proportional to 998,879,972,459.84, 1,378,218,103,775 and 565,332,361,383.93

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Solution

The fourth proportional to 998,879,972,459.84, 1,378,218,103,775 and 565,332,361,383.93 is: 780,024,944,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,879,972,459.84 : 1,378,218,103,775 = 565,332,361,383.93 : x
  2. Step 2: Convert to fraction form
    998,879,972,459.84/1,378,218,103,775 = 565,332,361,383.93/x
  3. Step 3: Cross multiply
    998,879,972,459.84x = 1,378,218,103,775 × 565,332,361,383.93
  4. Step 4: Simplify right side
    998,879,972,459.84x = 779,151,295,109,203,073,433,600
  5. Step 5: Solve for x
    x = 779,151,295,109,203,073,433,600/998,879,972,459.84
  6. Step 6: Final answer
    x = 780,024,944,529.09

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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.