Home / 911,481,213.89-1,367,063,384.99-256,276,739.21

Finding the Fourth Proportional to 911,481,213.89, 1,367,063,384.99 and 256,276,739.21

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Solution

The fourth proportional to 911,481,213.89, 1,367,063,384.99 and 256,276,739.21 is: 384,370,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,481,213.89 : 1,367,063,384.99 = 256,276,739.21 : x
  2. Step 2: Convert to fraction form
    911,481,213.89/1,367,063,384.99 = 256,276,739.21/x
  3. Step 3: Cross multiply
    911,481,213.89x = 1,367,063,384.99 × 256,276,739.21
  4. Step 4: Simplify right side
    911,481,213.89x = 350,346,546,599,623,424
  5. Step 5: Solve for x
    x = 350,346,546,599,623,424/911,481,213.89
  6. Step 6: Final answer
    x = 384,370,562.18

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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.