Home / 21,697,698,053,186-29,922,710,365,857-15,835,519,825,178

Finding the Fourth Proportional to 21,697,698,053,186, 29,922,710,365,857 and 15,835,519,825,178

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Solution

The fourth proportional to 21,697,698,053,186, 29,922,710,365,857 and 15,835,519,825,178 is: 21,838,338,429,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697,698,053,186 : 29,922,710,365,857 = 15,835,519,825,178 : x
  2. Step 2: Convert to fraction form
    21,697,698,053,186/29,922,710,365,857 = 15,835,519,825,178/x
  3. Step 3: Cross multiply
    21,697,698,053,186x = 29,922,710,365,857 × 15,835,519,825,178
  4. Step 4: Simplify right side
    21,697,698,053,186x = 473,841,673,221,587,800,065,835,008
  5. Step 5: Solve for x
    x = 473,841,673,221,587,800,065,835,008/21,697,698,053,186
  6. Step 6: Final answer
    x = 21,838,338,429,269.96

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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.