Home / 299,455,620.10-449,183,430.15-211,779,664.90

Finding the Fourth Proportional to 299,455,620.10, 449,183,430.15 and 211,779,664.90

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Solution

The fourth proportional to 299,455,620.10, 449,183,430.15 and 211,779,664.90 is: 317,669,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,455,620.10 : 449,183,430.15 = 211,779,664.90 : x
  2. Step 2: Convert to fraction form
    299,455,620.10/449,183,430.15 = 211,779,664.90/x
  3. Step 3: Cross multiply
    299,455,620.10x = 449,183,430.15 × 211,779,664.90
  4. Step 4: Simplify right side
    299,455,620.10x = 95,127,916,315,799,552
  5. Step 5: Solve for x
    x = 95,127,916,315,799,552/299,455,620.10
  6. Step 6: Final answer
    x = 317,669,497.35

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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.