Home / 765,802,846.83-1,149,038,391.93-268,170,528.21

Finding the Fourth Proportional to 765,802,846.83, 1,149,038,391.93 and 268,170,528.21

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Solution

The fourth proportional to 765,802,846.83, 1,149,038,391.93 and 268,170,528.21 is: 402,372,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,802,846.83 : 1,149,038,391.93 = 268,170,528.21 : x
  2. Step 2: Convert to fraction form
    765,802,846.83/1,149,038,391.93 = 268,170,528.21/x
  3. Step 3: Cross multiply
    765,802,846.83x = 1,149,038,391.93 × 268,170,528.21
  4. Step 4: Simplify right side
    765,802,846.83x = 308,138,232,497,437,120
  5. Step 5: Solve for x
    x = 308,138,232,497,437,120/765,802,846.83
  6. Step 6: Final answer
    x = 402,372,795.78

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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.