Home / 1,008,511,422.48-1,512,653,513.58-271,635,260.91

Finding the Fourth Proportional to 1,008,511,422.48, 1,512,653,513.58 and 271,635,260.91

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Solution

The fourth proportional to 1,008,511,422.48, 1,512,653,513.58 and 271,635,260.91 is: 407,422,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,511,422.48 : 1,512,653,513.58 = 271,635,260.91 : x
  2. Step 2: Convert to fraction form
    1,008,511,422.48/1,512,653,513.58 = 271,635,260.91/x
  3. Step 3: Cross multiply
    1,008,511,422.48x = 1,512,653,513.58 × 271,635,260.91
  4. Step 4: Simplify right side
    1,008,511,422.48x = 410,890,031,827,731,520
  5. Step 5: Solve for x
    x = 410,890,031,827,731,520/1,008,511,422.48
  6. Step 6: Final answer
    x = 407,422,288.60

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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.