Home / 306,512,632,012.80-459,768,948,019.20-181,129,969,459.20

Finding the Fourth Proportional to 306,512,632,012.80, 459,768,948,019.20 and 181,129,969,459.20

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Solution

The fourth proportional to 306,512,632,012.80, 459,768,948,019.20 and 181,129,969,459.20 is: 271,694,954,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,512,632,012.80 : 459,768,948,019.20 = 181,129,969,459.20 : x
  2. Step 2: Convert to fraction form
    306,512,632,012.80/459,768,948,019.20 = 181,129,969,459.20/x
  3. Step 3: Cross multiply
    306,512,632,012.80x = 459,768,948,019.20 × 181,129,969,459.20
  4. Step 4: Simplify right side
    306,512,632,012.80x = 83,277,935,513,006,210,285,568
  5. Step 5: Solve for x
    x = 83,277,935,513,006,210,285,568/306,512,632,012.80
  6. Step 6: Final answer
    x = 271,694,954,188.80

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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.