Home / 21,885,095,046.60-30,216,256,611.48-13,863,553,985.88

Finding the Fourth Proportional to 21,885,095,046.60, 30,216,256,611.48 and 13,863,553,985.88

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Solution

The fourth proportional to 21,885,095,046.60, 30,216,256,611.48 and 13,863,553,985.88 is: 19,141,095,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,095,046.60 : 30,216,256,611.48 = 13,863,553,985.88 : x
  2. Step 2: Convert to fraction form
    21,885,095,046.60/30,216,256,611.48 = 13,863,553,985.88/x
  3. Step 3: Cross multiply
    21,885,095,046.60x = 30,216,256,611.48 × 13,863,553,985.88
  4. Step 4: Simplify right side
    21,885,095,046.60x = 418,904,704,784,456,417,280
  5. Step 5: Solve for x
    x = 418,904,704,784,456,417,280/21,885,095,046.60
  6. Step 6: Final answer
    x = 19,141,095,978.45

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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.