Home / 20,022,285,294.88-27,653,685,805.68-13,186,240,629.76

Finding the Fourth Proportional to 20,022,285,294.88, 27,653,685,805.68 and 13,186,240,629.76

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Solution

The fourth proportional to 20,022,285,294.88, 27,653,685,805.68 and 13,186,240,629.76 is: 18,212,114,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,285,294.88 : 27,653,685,805.68 = 13,186,240,629.76 : x
  2. Step 2: Convert to fraction form
    20,022,285,294.88/27,653,685,805.68 = 13,186,240,629.76/x
  3. Step 3: Cross multiply
    20,022,285,294.88x = 27,653,685,805.68 × 13,186,240,629.76
  4. Step 4: Simplify right side
    20,022,285,294.88x = 364,648,155,333,475,041,280
  5. Step 5: Solve for x
    x = 364,648,155,333,475,041,280/20,022,285,294.88
  6. Step 6: Final answer
    x = 18,212,114,649.41

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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.