Home / 297,823,489.40-446,735,234.10-221,295,985.40

Finding the Fourth Proportional to 297,823,489.40, 446,735,234.10 and 221,295,985.40

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Solution

The fourth proportional to 297,823,489.40, 446,735,234.10 and 221,295,985.40 is: 331,943,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,823,489.40 : 446,735,234.10 = 221,295,985.40 : x
  2. Step 2: Convert to fraction form
    297,823,489.40/446,735,234.10 = 221,295,985.40/x
  3. Step 3: Cross multiply
    297,823,489.40x = 446,735,234.10 × 221,295,985.40
  4. Step 4: Simplify right side
    297,823,489.40x = 98,860,713,843,059,184
  5. Step 5: Solve for x
    x = 98,860,713,843,059,184/297,823,489.40
  6. Step 6: Final answer
    x = 331,943,978.10

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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.