Home / 1,147,596,181.11-1,721,388,493.54-448,159,342.43

Finding the Fourth Proportional to 1,147,596,181.11, 1,721,388,493.54 and 448,159,342.43

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Solution

The fourth proportional to 1,147,596,181.11, 1,721,388,493.54 and 448,159,342.43 is: 672,236,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,596,181.11 : 1,721,388,493.54 = 448,159,342.43 : x
  2. Step 2: Convert to fraction form
    1,147,596,181.11/1,721,388,493.54 = 448,159,342.43/x
  3. Step 3: Cross multiply
    1,147,596,181.11x = 1,721,388,493.54 × 448,159,342.43
  4. Step 4: Simplify right side
    1,147,596,181.11x = 771,456,335,320,606,976
  5. Step 5: Solve for x
    x = 771,456,335,320,606,976/1,147,596,181.11
  6. Step 6: Final answer
    x = 672,236,757.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.