Home / 830,389,823.20-1,244,734,429.20-485,165,749.60

Finding the Fourth Proportional to 830,389,823.20, 1,244,734,429.20 and 485,165,749.60

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Solution

The fourth proportional to 830,389,823.20, 1,244,734,429.20 and 485,165,749.60 is: 727,251,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,389,823.20 : 1,244,734,429.20 = 485,165,749.60 : x
  2. Step 2: Convert to fraction form
    830,389,823.20/1,244,734,429.20 = 485,165,749.60/x
  3. Step 3: Cross multiply
    830,389,823.20x = 1,244,734,429.20 × 485,165,749.60
  4. Step 4: Simplify right side
    830,389,823.20x = 603,902,512,395,746,176
  5. Step 5: Solve for x
    x = 603,902,512,395,746,176/830,389,823.20
  6. Step 6: Final answer
    x = 727,251,822.61

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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.