Home / 551,620,965.78-761,242,134.24-304,111,177.38

Finding the Fourth Proportional to 551,620,965.78, 761,242,134.24 and 304,111,177.38

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Solution

The fourth proportional to 551,620,965.78, 761,242,134.24 and 304,111,177.38 is: 419,676,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,620,965.78 : 761,242,134.24 = 304,111,177.38 : x
  2. Step 2: Convert to fraction form
    551,620,965.78/761,242,134.24 = 304,111,177.38/x
  3. Step 3: Cross multiply
    551,620,965.78x = 761,242,134.24 × 304,111,177.38
  4. Step 4: Simplify right side
    551,620,965.78x = 231,502,241,714,990,400
  5. Step 5: Solve for x
    x = 231,502,241,714,990,400/551,620,965.78
  6. Step 6: Final answer
    x = 419,676,292.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.