Home / 544,145,501.82-816,134,116.40-199,018,420.86

Finding the Fourth Proportional to 544,145,501.82, 816,134,116.40 and 199,018,420.86

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Solution

The fourth proportional to 544,145,501.82, 816,134,116.40 and 199,018,420.86 is: 298,496,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,145,501.82 : 816,134,116.40 = 199,018,420.86 : x
  2. Step 2: Convert to fraction form
    544,145,501.82/816,134,116.40 = 199,018,420.86/x
  3. Step 3: Cross multiply
    544,145,501.82x = 816,134,116.40 × 199,018,420.86
  4. Step 4: Simplify right side
    544,145,501.82x = 162,425,723,054,904,352
  5. Step 5: Solve for x
    x = 162,425,723,054,904,352/544,145,501.82
  6. Step 6: Final answer
    x = 298,496,858.86

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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.