Home / 18,338,694,815.79-25,307,484,548.19-10,418,532,752.43

Finding the Fourth Proportional to 18,338,694,815.79, 25,307,484,548.19 and 10,418,532,752.43

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Solution

The fourth proportional to 18,338,694,815.79, 25,307,484,548.19 and 10,418,532,752.43 is: 14,377,623,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,694,815.79 : 25,307,484,548.19 = 10,418,532,752.43 : x
  2. Step 2: Convert to fraction form
    18,338,694,815.79/25,307,484,548.19 = 10,418,532,752.43/x
  3. Step 3: Cross multiply
    18,338,694,815.79x = 25,307,484,548.19 × 10,418,532,752.43
  4. Step 4: Simplify right side
    18,338,694,815.79x = 263,666,856,646,933,643,264
  5. Step 5: Solve for x
    x = 263,666,856,646,933,643,264/18,338,694,815.79
  6. Step 6: Final answer
    x = 14,377,623,887.38

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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.