Home / 13,689,554,531.44-18,891,696,175.38-7,586,009,042.62

Finding the Fourth Proportional to 13,689,554,531.44, 18,891,696,175.38 and 7,586,009,042.62

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Solution

The fourth proportional to 13,689,554,531.44, 18,891,696,175.38 and 7,586,009,042.62 is: 10,468,753,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,554,531.44 : 18,891,696,175.38 = 7,586,009,042.62 : x
  2. Step 2: Convert to fraction form
    13,689,554,531.44/18,891,696,175.38 = 7,586,009,042.62/x
  3. Step 3: Cross multiply
    13,689,554,531.44x = 18,891,696,175.38 × 7,586,009,042.62
  4. Step 4: Simplify right side
    13,689,554,531.44x = 143,312,578,016,862,355,456
  5. Step 5: Solve for x
    x = 143,312,578,016,862,355,456/13,689,554,531.44
  6. Step 6: Final answer
    x = 10,468,753,945.77

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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.