Home / 768,382,117.88-1,060,366,096.41-415,958,015.18

Finding the Fourth Proportional to 768,382,117.88, 1,060,366,096.41 and 415,958,015.18

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Solution

The fourth proportional to 768,382,117.88, 1,060,366,096.41 and 415,958,015.18 is: 574,021,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,382,117.88 : 1,060,366,096.41 = 415,958,015.18 : x
  2. Step 2: Convert to fraction form
    768,382,117.88/1,060,366,096.41 = 415,958,015.18/x
  3. Step 3: Cross multiply
    768,382,117.88x = 1,060,366,096.41 × 415,958,015.18
  4. Step 4: Simplify right side
    768,382,117.88x = 441,067,776,821,566,272
  5. Step 5: Solve for x
    x = 441,067,776,821,566,272/768,382,117.88
  6. Step 6: Final answer
    x = 574,021,397.12

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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.