Home / 21,885,095,053.35-30,216,256,620.80-13,863,553,992.63

Finding the Fourth Proportional to 21,885,095,053.35, 30,216,256,620.80 and 13,863,553,992.63

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Solution

The fourth proportional to 21,885,095,053.35, 30,216,256,620.80 and 13,863,553,992.63 is: 19,141,095,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,095,053.35 : 30,216,256,620.80 = 13,863,553,992.63 : x
  2. Step 2: Convert to fraction form
    21,885,095,053.35/30,216,256,620.80 = 13,863,553,992.63/x
  3. Step 3: Cross multiply
    21,885,095,053.35x = 30,216,256,620.80 × 13,863,553,992.63
  4. Step 4: Simplify right side
    21,885,095,053.35x = 418,904,705,117,555,130,368
  5. Step 5: Solve for x
    x = 418,904,705,117,555,130,368/21,885,095,053.35
  6. Step 6: Final answer
    x = 19,141,095,987.77

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Double scale
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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.