Home / 680,160,690.20-1,020,241,035.30-220,145,360.60

Finding the Fourth Proportional to 680,160,690.20, 1,020,241,035.30 and 220,145,360.60

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Solution

The fourth proportional to 680,160,690.20, 1,020,241,035.30 and 220,145,360.60 is: 330,218,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,160,690.20 : 1,020,241,035.30 = 220,145,360.60 : x
  2. Step 2: Convert to fraction form
    680,160,690.20/1,020,241,035.30 = 220,145,360.60/x
  3. Step 3: Cross multiply
    680,160,690.20x = 1,020,241,035.30 × 220,145,360.60
  4. Step 4: Simplify right side
    680,160,690.20x = 224,601,330,615,035,808
  5. Step 5: Solve for x
    x = 224,601,330,615,035,808/680,160,690.20
  6. Step 6: Final answer
    x = 330,218,040.90

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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.