Home / 280,188,638,566.80-386,660,694,099.21-151,730,308,723.23

Finding the Fourth Proportional to 280,188,638,566.80, 386,660,694,099.21 and 151,730,308,723.23

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Solution

The fourth proportional to 280,188,638,566.80, 386,660,694,099.21 and 151,730,308,723.23 is: 209,388,027,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,188,638,566.80 : 386,660,694,099.21 = 151,730,308,723.23 : x
  2. Step 2: Convert to fraction form
    280,188,638,566.80/386,660,694,099.21 = 151,730,308,723.23/x
  3. Step 3: Cross multiply
    280,188,638,566.80x = 386,660,694,099.21 × 151,730,308,723.23
  4. Step 4: Simplify right side
    280,188,638,566.80x = 58,668,146,486,811,534,819,328
  5. Step 5: Solve for x
    x = 58,668,146,486,811,534,819,328/280,188,638,566.80
  6. Step 6: Final answer
    x = 209,388,027,961.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.