Home / 306,557,999.10-459,836,998.65-260,641,496.70

Finding the Fourth Proportional to 306,557,999.10, 459,836,998.65 and 260,641,496.70

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Solution

The fourth proportional to 306,557,999.10, 459,836,998.65 and 260,641,496.70 is: 390,962,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,557,999.10 : 459,836,998.65 = 260,641,496.70 : x
  2. Step 2: Convert to fraction form
    306,557,999.10/459,836,998.65 = 260,641,496.70/x
  3. Step 3: Cross multiply
    306,557,999.10x = 459,836,998.65 × 260,641,496.70
  4. Step 4: Simplify right side
    306,557,999.10x = 119,852,603,566,171,872
  5. Step 5: Solve for x
    x = 119,852,603,566,171,872/306,557,999.10
  6. Step 6: Final answer
    x = 390,962,245.05

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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.