Home / 490,094,998.60-735,142,497.90-487,225,217.20

Finding the Fourth Proportional to 490,094,998.60, 735,142,497.90 and 487,225,217.20

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Solution

The fourth proportional to 490,094,998.60, 735,142,497.90 and 487,225,217.20 is: 730,837,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,094,998.60 : 735,142,497.90 = 487,225,217.20 : x
  2. Step 2: Convert to fraction form
    490,094,998.60/735,142,497.90 = 487,225,217.20/x
  3. Step 3: Cross multiply
    490,094,998.60x = 735,142,497.90 × 487,225,217.20
  4. Step 4: Simplify right side
    490,094,998.60x = 358,179,963,212,278,016
  5. Step 5: Solve for x
    x = 358,179,963,212,278,016/490,094,998.60
  6. Step 6: Final answer
    x = 730,837,825.80

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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.