Home / 21,697,698,053,178-29,922,710,365,846-15,835,519,825,170

Finding the Fourth Proportional to 21,697,698,053,178, 29,922,710,365,846 and 15,835,519,825,170

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Solution

The fourth proportional to 21,697,698,053,178, 29,922,710,365,846 and 15,835,519,825,170 is: 21,838,338,429,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697,698,053,178 : 29,922,710,365,846 = 15,835,519,825,170 : x
  2. Step 2: Convert to fraction form
    21,697,698,053,178/29,922,710,365,846 = 15,835,519,825,170/x
  3. Step 3: Cross multiply
    21,697,698,053,178x = 29,922,710,365,846 × 15,835,519,825,170
  4. Step 4: Simplify right side
    21,697,698,053,178x = 473,841,673,221,174,177,535,361,024
  5. Step 5: Solve for x
    x = 473,841,673,221,174,177,535,361,024/21,697,698,053,178
  6. Step 6: Final answer
    x = 21,838,338,429,258.95

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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.