Home / 25,278,063,239.49-34,870,501,904.97-15,629,709,008.25

Finding the Fourth Proportional to 25,278,063,239.49, 34,870,501,904.97 and 15,629,709,008.25

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Solution

The fourth proportional to 25,278,063,239.49, 34,870,501,904.97 and 15,629,709,008.25 is: 21,560,821,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278,063,239.49 : 34,870,501,904.97 = 15,629,709,008.25 : x
  2. Step 2: Convert to fraction form
    25,278,063,239.49/34,870,501,904.97 = 15,629,709,008.25/x
  3. Step 3: Cross multiply
    25,278,063,239.49x = 34,870,501,904.97 × 15,629,709,008.25
  4. Step 4: Simplify right side
    25,278,063,239.49x = 545,015,797,746,308,415,488
  5. Step 5: Solve for x
    x = 545,015,797,746,308,415,488/25,278,063,239.49
  6. Step 6: Final answer
    x = 21,560,821,040.07

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1.5x scale

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.