Home / 511,994,231.54-767,698,006.52-157,376,163.72

Finding the Fourth Proportional to 511,994,231.54, 767,698,006.52 and 157,376,163.72

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Solution

The fourth proportional to 511,994,231.54, 767,698,006.52 and 157,376,163.72 is: 235,974,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,994,231.54 : 767,698,006.52 = 157,376,163.72 : x
  2. Step 2: Convert to fraction form
    511,994,231.54/767,698,006.52 = 157,376,163.72/x
  3. Step 3: Cross multiply
    511,994,231.54x = 767,698,006.52 × 157,376,163.72
  4. Step 4: Simplify right side
    511,994,231.54x = 120,817,367,161,609,136
  5. Step 5: Solve for x
    x = 120,817,367,161,609,136/511,994,231.54
  6. Step 6: Final answer
    x = 235,974,078.85

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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.