Home / 20,022,285,296.38-27,653,685,807.75-13,186,240,631.26

Finding the Fourth Proportional to 20,022,285,296.38, 27,653,685,807.75 and 13,186,240,631.26

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Solution

The fourth proportional to 20,022,285,296.38, 27,653,685,807.75 and 13,186,240,631.26 is: 18,212,114,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,285,296.38 : 27,653,685,807.75 = 13,186,240,631.26 : x
  2. Step 2: Convert to fraction form
    20,022,285,296.38/27,653,685,807.75 = 13,186,240,631.26/x
  3. Step 3: Cross multiply
    20,022,285,296.38x = 27,653,685,807.75 × 13,186,240,631.26
  4. Step 4: Simplify right side
    20,022,285,296.38x = 364,648,155,402,251,075,584
  5. Step 5: Solve for x
    x = 364,648,155,402,251,075,584/20,022,285,296.38
  6. Step 6: Final answer
    x = 18,212,114,651.48

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1.5x scale

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.