Home / 521,520,783,625.55-782,281,175,438.30-149,291,004,169.55

Finding the Fourth Proportional to 521,520,783,625.55, 782,281,175,438.30 and 149,291,004,169.55

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Solution

The fourth proportional to 521,520,783,625.55, 782,281,175,438.30 and 149,291,004,169.55 is: 223,936,506,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,783,625.55 : 782,281,175,438.30 = 149,291,004,169.55 : x
  2. Step 2: Convert to fraction form
    521,520,783,625.55/782,281,175,438.30 = 149,291,004,169.55/x
  3. Step 3: Cross multiply
    521,520,783,625.55x = 782,281,175,438.30 × 149,291,004,169.55
  4. Step 4: Simplify right side
    521,520,783,625.55x = 116,787,542,224,119,711,924,224
  5. Step 5: Solve for x
    x = 116,787,542,224,119,711,924,224/521,520,783,625.55
  6. Step 6: Final answer
    x = 223,936,506,254.32

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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.