Home / 19,752,795,965.58-27,281,481,855.75-13,008,761,911.50

Finding the Fourth Proportional to 19,752,795,965.58, 27,281,481,855.75 and 13,008,761,911.50

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Solution

The fourth proportional to 19,752,795,965.58, 27,281,481,855.75 and 13,008,761,911.50 is: 17,966,990,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752,795,965.58 : 27,281,481,855.75 = 13,008,761,911.50 : x
  2. Step 2: Convert to fraction form
    19,752,795,965.58/27,281,481,855.75 = 13,008,761,911.50/x
  3. Step 3: Cross multiply
    19,752,795,965.58x = 27,281,481,855.75 × 13,008,761,911.50
  4. Step 4: Simplify right side
    19,752,795,965.58x = 354,898,302,054,358,908,928
  5. Step 5: Solve for x
    x = 354,898,302,054,358,908,928/19,752,795,965.58
  6. Step 6: Final answer
    x = 17,966,990,732.49

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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.