Home / 298,944,228.60-448,416,342.90-272,159,602.20

Finding the Fourth Proportional to 298,944,228.60, 448,416,342.90 and 272,159,602.20

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Solution

The fourth proportional to 298,944,228.60, 448,416,342.90 and 272,159,602.20 is: 408,239,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,944,228.60 : 448,416,342.90 = 272,159,602.20 : x
  2. Step 2: Convert to fraction form
    298,944,228.60/448,416,342.90 = 272,159,602.20/x
  3. Step 3: Cross multiply
    298,944,228.60x = 448,416,342.90 × 272,159,602.20
  4. Step 4: Simplify right side
    298,944,228.60x = 122,040,813,503,642,784
  5. Step 5: Solve for x
    x = 122,040,813,503,642,784/298,944,228.60
  6. Step 6: Final answer
    x = 408,239,403.30

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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.