Home / 521,520,768,138.60-782,281,152,207.90-521,520,768,138.60

Finding the Fourth Proportional to 521,520,768,138.60, 782,281,152,207.90 and 521,520,768,138.60

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Solution

The fourth proportional to 521,520,768,138.60, 782,281,152,207.90 and 521,520,768,138.60 is: 782,281,152,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,138.60 : 782,281,152,207.90 = 521,520,768,138.60 : x
  2. Step 2: Convert to fraction form
    521,520,768,138.60/782,281,152,207.90 = 521,520,768,138.60/x
  3. Step 3: Cross multiply
    521,520,768,138.60x = 782,281,152,207.90 × 521,520,768,138.60
  4. Step 4: Simplify right side
    521,520,768,138.60x = 407,975,867,399,813,094,965,248
  5. Step 5: Solve for x
    x = 407,975,867,399,813,094,965,248/521,520,768,138.60
  6. Step 6: Final answer
    x = 782,281,152,207.90

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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.