Home / 800,962,558.20-1,201,443,837.30-255,743,998.20

Finding the Fourth Proportional to 800,962,558.20, 1,201,443,837.30 and 255,743,998.20

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Solution

The fourth proportional to 800,962,558.20, 1,201,443,837.30 and 255,743,998.20 is: 383,615,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,962,558.20 : 1,201,443,837.30 = 255,743,998.20 : x
  2. Step 2: Convert to fraction form
    800,962,558.20/1,201,443,837.30 = 255,743,998.20/x
  3. Step 3: Cross multiply
    800,962,558.20x = 1,201,443,837.30 × 255,743,998.20
  4. Step 4: Simplify right side
    800,962,558.20x = 307,262,050,563,852,288
  5. Step 5: Solve for x
    x = 307,262,050,563,852,288/800,962,558.20
  6. Step 6: Final answer
    x = 383,615,997.30

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Half scale
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Double scale
Find fourth proportional to 800,962,559.20, 1,201,443,838.80 and 255,743,999.20
Similar ratio
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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.