Home / 521,520,782,615.55-782,281,173,923.32-433,361,098,007.55

Finding the Fourth Proportional to 521,520,782,615.55, 782,281,173,923.32 and 433,361,098,007.55

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Solution

The fourth proportional to 521,520,782,615.55, 782,281,173,923.32 and 433,361,098,007.55 is: 650,041,647,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,615.55 : 782,281,173,923.32 = 433,361,098,007.55 : x
  2. Step 2: Convert to fraction form
    521,520,782,615.55/782,281,173,923.32 = 433,361,098,007.55/x
  3. Step 3: Cross multiply
    521,520,782,615.55x = 782,281,173,923.32 × 433,361,098,007.55
  4. Step 4: Simplify right side
    521,520,782,615.55x = 339,010,228,482,045,108,027,392
  5. Step 5: Solve for x
    x = 339,010,228,482,045,108,027,392/521,520,782,615.55
  6. Step 6: Final answer
    x = 650,041,647,011.32

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Double scale
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Similar ratio
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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.