Home / 511,755,745.50-767,635,848.99-162,003,524.85

Finding the Fourth Proportional to 511,755,745.50, 767,635,848.99 and 162,003,524.85

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Solution

The fourth proportional to 511,755,745.50, 767,635,848.99 and 162,003,524.85 is: 243,005,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,755,745.50 : 767,635,848.99 = 162,003,524.85 : x
  2. Step 2: Convert to fraction form
    511,755,745.50/767,635,848.99 = 162,003,524.85/x
  3. Step 3: Cross multiply
    511,755,745.50x = 767,635,848.99 × 162,003,524.85
  4. Step 4: Simplify right side
    511,755,745.50x = 124,359,713,337,602,304
  5. Step 5: Solve for x
    x = 124,359,713,337,602,304/511,755,745.50
  6. Step 6: Final answer
    x = 243,005,993.45

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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.