Home / 419,699,832.01-628,239,652.09-309,160,104.01

Finding the Fourth Proportional to 419,699,832.01, 628,239,652.09 and 309,160,104.01

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Solution

The fourth proportional to 419,699,832.01, 628,239,652.09 and 309,160,104.01 is: 462,775,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,699,832.01 : 628,239,652.09 = 309,160,104.01 : x
  2. Step 2: Convert to fraction form
    419,699,832.01/628,239,652.09 = 309,160,104.01/x
  3. Step 3: Cross multiply
    419,699,832.01x = 628,239,652.09 × 309,160,104.01
  4. Step 4: Simplify right side
    419,699,832.01x = 194,226,636,181,013,280
  5. Step 5: Solve for x
    x = 194,226,636,181,013,280/419,699,832.01
  6. Step 6: Final answer
    x = 462,775,110.61

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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.