Home / 398,894,740.72-598,531,602.12-276,261,777.52

Finding the Fourth Proportional to 398,894,740.72, 598,531,602.12 and 276,261,777.52

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Solution

The fourth proportional to 398,894,740.72, 598,531,602.12 and 276,261,777.52 is: 414,523,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,894,740.72 : 598,531,602.12 = 276,261,777.52 : x
  2. Step 2: Convert to fraction form
    398,894,740.72/598,531,602.12 = 276,261,777.52/x
  3. Step 3: Cross multiply
    398,894,740.72x = 598,531,602.12 × 276,261,777.52
  4. Step 4: Simplify right side
    398,894,740.72x = 165,351,404,303,564,576
  5. Step 5: Solve for x
    x = 165,351,404,303,564,576/398,894,740.72
  6. Step 6: Final answer
    x = 414,523,901.73

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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.