Home / 240,245,999.10-360,368,998.65-217,287,747.90

Finding the Fourth Proportional to 240,245,999.10, 360,368,998.65 and 217,287,747.90

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Solution

The fourth proportional to 240,245,999.10, 360,368,998.65 and 217,287,747.90 is: 325,931,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,245,999.10 : 360,368,998.65 = 217,287,747.90 : x
  2. Step 2: Convert to fraction form
    240,245,999.10/360,368,998.65 = 217,287,747.90/x
  3. Step 3: Cross multiply
    240,245,999.10x = 360,368,998.65 × 217,287,747.90
  4. Step 4: Simplify right side
    240,245,999.10x = 78,303,768,129,636,640
  5. Step 5: Solve for x
    x = 78,303,768,129,636,640/240,245,999.10
  6. Step 6: Final answer
    x = 325,931,621.85

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1.5x scale

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.