Home / 511,902,460.41-768,074,897.80-275,275,410.68

Finding the Fourth Proportional to 511,902,460.41, 768,074,897.80 and 275,275,410.68

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Solution

The fourth proportional to 511,902,460.41, 768,074,897.80 and 275,275,410.68 is: 413,032,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,902,460.41 : 768,074,897.80 = 275,275,410.68 : x
  2. Step 2: Convert to fraction form
    511,902,460.41/768,074,897.80 = 275,275,410.68/x
  3. Step 3: Cross multiply
    511,902,460.41x = 768,074,897.80 × 275,275,410.68
  4. Step 4: Simplify right side
    511,902,460.41x = 211,432,132,923,604,800
  5. Step 5: Solve for x
    x = 211,432,132,923,604,800/511,902,460.41
  6. Step 6: Final answer
    x = 413,032,070.12

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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.