Home / 560,219,116.10-840,475,640.55-215,183,999.30

Finding the Fourth Proportional to 560,219,116.10, 840,475,640.55 and 215,183,999.30

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Solution

The fourth proportional to 560,219,116.10, 840,475,640.55 and 215,183,999.30 is: 322,832,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,219,116.10 : 840,475,640.55 = 215,183,999.30 : x
  2. Step 2: Convert to fraction form
    560,219,116.10/840,475,640.55 = 215,183,999.30/x
  3. Step 3: Cross multiply
    560,219,116.10x = 840,475,640.55 × 215,183,999.30
  4. Step 4: Simplify right side
    560,219,116.10x = 180,856,909,647,778,240
  5. Step 5: Solve for x
    x = 180,856,909,647,778,240/560,219,116.10
  6. Step 6: Final answer
    x = 322,832,449.75

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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.