Home / 443,118,100.88-664,083,018.75-344,868,449.15

Finding the Fourth Proportional to 443,118,100.88, 664,083,018.75 and 344,868,449.15

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Solution

The fourth proportional to 443,118,100.88, 664,083,018.75 and 344,868,449.15 is: 516,840,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,118,100.88 : 664,083,018.75 = 344,868,449.15 : x
  2. Step 2: Convert to fraction form
    443,118,100.88/664,083,018.75 = 344,868,449.15/x
  3. Step 3: Cross multiply
    443,118,100.88x = 664,083,018.75 × 344,868,449.15
  4. Step 4: Simplify right side
    443,118,100.88x = 229,021,280,783,162,848
  5. Step 5: Solve for x
    x = 229,021,280,783,162,848/443,118,100.88
  6. Step 6: Final answer
    x = 516,840,274.25

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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.