Home / 12,799,972,833.42-19,161,705,794.67-7,742,523,881.73

Finding the Fourth Proportional to 12,799,972,833.42, 19,161,705,794.67 and 7,742,523,881.73

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Solution

The fourth proportional to 12,799,972,833.42, 19,161,705,794.67 and 7,742,523,881.73 is: 11,590,646,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,972,833.42 : 19,161,705,794.67 = 7,742,523,881.73 : x
  2. Step 2: Convert to fraction form
    12,799,972,833.42/19,161,705,794.67 = 7,742,523,881.73/x
  3. Step 3: Cross multiply
    12,799,972,833.42x = 19,161,705,794.67 × 7,742,523,881.73
  4. Step 4: Simplify right side
    12,799,972,833.42x = 148,359,964,729,916,588,032
  5. Step 5: Solve for x
    x = 148,359,964,729,916,588,032/12,799,972,833.42
  6. Step 6: Final answer
    x = 11,590,646,844.39

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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.