Home / 521,520,782,468.80-782,281,173,703.20-362,833,350,174.40

Finding the Fourth Proportional to 521,520,782,468.80, 782,281,173,703.20 and 362,833,350,174.40

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Solution

The fourth proportional to 521,520,782,468.80, 782,281,173,703.20 and 362,833,350,174.40 is: 544,250,025,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,468.80 : 782,281,173,703.20 = 362,833,350,174.40 : x
  2. Step 2: Convert to fraction form
    521,520,782,468.80/782,281,173,703.20 = 362,833,350,174.40/x
  3. Step 3: Cross multiply
    521,520,782,468.80x = 782,281,173,703.20 × 362,833,350,174.40
  4. Step 4: Simplify right side
    521,520,782,468.80x = 283,837,699,033,093,816,451,072
  5. Step 5: Solve for x
    x = 283,837,699,033,093,816,451,072/521,520,782,468.80
  6. Step 6: Final answer
    x = 544,250,025,261.60

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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.