Home / 865,933,267.30-1,298,899,877.96-399,456,676.17

Finding the Fourth Proportional to 865,933,267.30, 1,298,899,877.96 and 399,456,676.17

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Solution

The fourth proportional to 865,933,267.30, 1,298,899,877.96 and 399,456,676.17 is: 599,185,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,933,267.30 : 1,298,899,877.96 = 399,456,676.17 : x
  2. Step 2: Convert to fraction form
    865,933,267.30/1,298,899,877.96 = 399,456,676.17/x
  3. Step 3: Cross multiply
    865,933,267.30x = 1,298,899,877.96 × 399,456,676.17
  4. Step 4: Simplify right side
    865,933,267.30x = 518,854,227,933,389,760
  5. Step 5: Solve for x
    x = 518,854,227,933,389,760/865,933,267.30
  6. Step 6: Final answer
    x = 599,185,003.66

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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.