Home / 298,943,596.20-446,980,503.60-221,459,498.40

Finding the Fourth Proportional to 298,943,596.20, 446,980,503.60 and 221,459,498.40

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Solution

The fourth proportional to 298,943,596.20, 446,980,503.60 and 221,459,498.40 is: 331,126,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,943,596.20 : 446,980,503.60 = 221,459,498.40 : x
  2. Step 2: Convert to fraction form
    298,943,596.20/446,980,503.60 = 221,459,498.40/x
  3. Step 3: Cross multiply
    298,943,596.20x = 446,980,503.60 × 221,459,498.40
  4. Step 4: Simplify right side
    298,943,596.20x = 98,988,078,121,835,408
  5. Step 5: Solve for x
    x = 98,988,078,121,835,408/298,943,596.20
  6. Step 6: Final answer
    x = 331,126,270.57

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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.