Home / 851,481,514.80-1,277,222,272.20-238,064,756.40

Finding the Fourth Proportional to 851,481,514.80, 1,277,222,272.20 and 238,064,756.40

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Solution

The fourth proportional to 851,481,514.80, 1,277,222,272.20 and 238,064,756.40 is: 357,097,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,481,514.80 : 1,277,222,272.20 = 238,064,756.40 : x
  2. Step 2: Convert to fraction form
    851,481,514.80/1,277,222,272.20 = 238,064,756.40/x
  3. Step 3: Cross multiply
    851,481,514.80x = 1,277,222,272.20 × 238,064,756.40
  4. Step 4: Simplify right side
    851,481,514.80x = 304,061,609,099,947,520
  5. Step 5: Solve for x
    x = 304,061,609,099,947,520/851,481,514.80
  6. Step 6: Final answer
    x = 357,097,134.60

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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.