Home / 830,526,456.35-1,246,062,418.01-339,652,561.61

Finding the Fourth Proportional to 830,526,456.35, 1,246,062,418.01 and 339,652,561.61

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Solution

The fourth proportional to 830,526,456.35, 1,246,062,418.01 and 339,652,561.61 is: 509,590,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,526,456.35 : 1,246,062,418.01 = 339,652,561.61 : x
  2. Step 2: Convert to fraction form
    830,526,456.35/1,246,062,418.01 = 339,652,561.61/x
  3. Step 3: Cross multiply
    830,526,456.35x = 1,246,062,418.01 × 339,652,561.61
  4. Step 4: Simplify right side
    830,526,456.35x = 423,228,292,195,118,592
  5. Step 5: Solve for x
    x = 423,228,292,195,118,592/830,526,456.35
  6. Step 6: Final answer
    x = 509,590,379.65

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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.