Home / 770,734,405.62-1,063,614,524.85-418,310,407.26

Finding the Fourth Proportional to 770,734,405.62, 1,063,614,524.85 and 418,310,407.26

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Solution

The fourth proportional to 770,734,405.62, 1,063,614,524.85 and 418,310,407.26 is: 577,268,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,734,405.62 : 1,063,614,524.85 = 418,310,407.26 : x
  2. Step 2: Convert to fraction form
    770,734,405.62/1,063,614,524.85 = 418,310,407.26/x
  3. Step 3: Cross multiply
    770,734,405.62x = 1,063,614,524.85 × 418,310,407.26
  4. Step 4: Simplify right side
    770,734,405.62x = 444,921,025,057,654,912
  5. Step 5: Solve for x
    x = 444,921,025,057,654,912/770,734,405.62
  6. Step 6: Final answer
    x = 577,268,929.24

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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.