Home / 13,358,776,786.70-18,441,388,458.26-7,718,901,689.48

Finding the Fourth Proportional to 13,358,776,786.70, 18,441,388,458.26 and 7,718,901,689.48

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Solution

The fourth proportional to 13,358,776,786.70, 18,441,388,458.26 and 7,718,901,689.48 is: 10,655,710,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,776,786.70 : 18,441,388,458.26 = 7,718,901,689.48 : x
  2. Step 2: Convert to fraction form
    13,358,776,786.70/18,441,388,458.26 = 7,718,901,689.48/x
  3. Step 3: Cross multiply
    13,358,776,786.70x = 18,441,388,458.26 × 7,718,901,689.48
  4. Step 4: Simplify right side
    13,358,776,786.70x = 142,347,264,526,689,304,576
  5. Step 5: Solve for x
    x = 142,347,264,526,689,304,576/13,358,776,786.70
  6. Step 6: Final answer
    x = 10,655,710,983.09

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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.