Home / 30,371,906,510.45-41,913,227,393.31-18,164,609,743.38

Finding the Fourth Proportional to 30,371,906,510.45, 41,913,227,393.31 and 18,164,609,743.38

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Solution

The fourth proportional to 30,371,906,510.45, 41,913,227,393.31 and 18,164,609,743.38 is: 25,067,159,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371,906,510.45 : 41,913,227,393.31 = 18,164,609,743.38 : x
  2. Step 2: Convert to fraction form
    30,371,906,510.45/41,913,227,393.31 = 18,164,609,743.38/x
  3. Step 3: Cross multiply
    30,371,906,510.45x = 41,913,227,393.31 × 18,164,609,743.38
  4. Step 4: Simplify right side
    30,371,906,510.45x = 761,337,418,685,020,372,992
  5. Step 5: Solve for x
    x = 761,337,418,685,020,372,992/30,371,906,510.45
  6. Step 6: Final answer
    x = 25,067,159,298.12

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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.