Home / 11,679,807,342.79-17,490,654,477.39-8,169,777,712.45

Finding the Fourth Proportional to 11,679,807,342.79, 17,490,654,477.39 and 8,169,777,712.45

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Solution

The fourth proportional to 11,679,807,342.79, 17,490,654,477.39 and 8,169,777,712.45 is: 12,234,342,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,807,342.79 : 17,490,654,477.39 = 8,169,777,712.45 : x
  2. Step 2: Convert to fraction form
    11,679,807,342.79/17,490,654,477.39 = 8,169,777,712.45/x
  3. Step 3: Cross multiply
    11,679,807,342.79x = 17,490,654,477.39 × 8,169,777,712.45
  4. Step 4: Simplify right side
    11,679,807,342.79x = 142,894,759,125,544,615,936
  5. Step 5: Solve for x
    x = 142,894,759,125,544,615,936/11,679,807,342.79
  6. Step 6: Final answer
    x = 12,234,342,136.97

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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.