Home / 19,979,205,712.63-29,959,001,975.48-9,883,253,828.54

Finding the Fourth Proportional to 19,979,205,712.63, 29,959,001,975.48 and 9,883,253,828.54

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Solution

The fourth proportional to 19,979,205,712.63, 29,959,001,975.48 and 9,883,253,828.54 is: 14,820,029,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,205,712.63 : 29,959,001,975.48 = 9,883,253,828.54 : x
  2. Step 2: Convert to fraction form
    19,979,205,712.63/29,959,001,975.48 = 9,883,253,828.54/x
  3. Step 3: Cross multiply
    19,979,205,712.63x = 29,959,001,975.48 × 9,883,253,828.54
  4. Step 4: Simplify right side
    19,979,205,712.63x = 296,092,420,973,400,162,304
  5. Step 5: Solve for x
    x = 296,092,420,973,400,162,304/19,979,205,712.63
  6. Step 6: Final answer
    x = 14,820,029,646.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.