Home / 879,387,682.80-1,319,081,524.20-304,959,010.80

Finding the Fourth Proportional to 879,387,682.80, 1,319,081,524.20 and 304,959,010.80

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Solution

The fourth proportional to 879,387,682.80, 1,319,081,524.20 and 304,959,010.80 is: 457,438,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,387,682.80 : 1,319,081,524.20 = 304,959,010.80 : x
  2. Step 2: Convert to fraction form
    879,387,682.80/1,319,081,524.20 = 304,959,010.80/x
  3. Step 3: Cross multiply
    879,387,682.80x = 1,319,081,524.20 × 304,959,010.80
  4. Step 4: Simplify right side
    879,387,682.80x = 402,265,796,784,588,288
  5. Step 5: Solve for x
    x = 402,265,796,784,588,288/879,387,682.80
  6. Step 6: Final answer
    x = 457,438,516.20

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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.