Home / 511,097,758.48-766,339,582.83-199,834,543.54

Finding the Fourth Proportional to 511,097,758.48, 766,339,582.83 and 199,834,543.54

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Solution

The fourth proportional to 511,097,758.48, 766,339,582.83 and 199,834,543.54 is: 299,631,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,097,758.48 : 766,339,582.83 = 199,834,543.54 : x
  2. Step 2: Convert to fraction form
    511,097,758.48/766,339,582.83 = 199,834,543.54/x
  3. Step 3: Cross multiply
    511,097,758.48x = 766,339,582.83 × 199,834,543.54
  4. Step 4: Simplify right side
    511,097,758.48x = 153,141,120,731,467,072
  5. Step 5: Solve for x
    x = 153,141,120,731,467,072/511,097,758.48
  6. Step 6: Final answer
    x = 299,631,759.66

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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.