Home / 13,689,554,506.13-18,891,696,140.46-7,586,009,017.37

Finding the Fourth Proportional to 13,689,554,506.13, 18,891,696,140.46 and 7,586,009,017.37

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Solution

The fourth proportional to 13,689,554,506.13, 18,891,696,140.46 and 7,586,009,017.37 is: 10,468,753,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,554,506.13 : 18,891,696,140.46 = 7,586,009,017.37 : x
  2. Step 2: Convert to fraction form
    13,689,554,506.13/18,891,696,140.46 = 7,586,009,017.37/x
  3. Step 3: Cross multiply
    13,689,554,506.13x = 18,891,696,140.46 × 7,586,009,017.37
  4. Step 4: Simplify right side
    13,689,554,506.13x = 143,312,577,274,881,196,032
  5. Step 5: Solve for x
    x = 143,312,577,274,881,196,032/13,689,554,506.13
  6. Step 6: Final answer
    x = 10,468,753,910.92

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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.