Home / 14,421,917,715.64-19,902,363,304.88-7,991,845,102.32

Finding the Fourth Proportional to 14,421,917,715.64, 19,902,363,304.88 and 7,991,845,102.32

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Solution

The fourth proportional to 14,421,917,715.64, 19,902,363,304.88 and 7,991,845,102.32 is: 11,028,810,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,715.64 : 19,902,363,304.88 = 7,991,845,102.32 : x
  2. Step 2: Convert to fraction form
    14,421,917,715.64/19,902,363,304.88 = 7,991,845,102.32/x
  3. Step 3: Cross multiply
    14,421,917,715.64x = 19,902,363,304.88 × 7,991,845,102.32
  4. Step 4: Simplify right side
    14,421,917,715.64x = 159,056,604,702,698,504,192
  5. Step 5: Solve for x
    x = 159,056,604,702,698,504,192/14,421,917,715.64
  6. Step 6: Final answer
    x = 11,028,810,997.18

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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.