Home / 521,520,768,099.40-782,281,152,149.10-521,520,768,099.40

Finding the Fourth Proportional to 521,520,768,099.40, 782,281,152,149.10 and 521,520,768,099.40

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Solution

The fourth proportional to 521,520,768,099.40, 782,281,152,149.10 and 521,520,768,099.40 is: 782,281,152,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,099.40 : 782,281,152,149.10 = 521,520,768,099.40 : x
  2. Step 2: Convert to fraction form
    521,520,768,099.40/782,281,152,149.10 = 521,520,768,099.40/x
  3. Step 3: Cross multiply
    521,520,768,099.40x = 782,281,152,149.10 × 521,520,768,099.40
  4. Step 4: Simplify right side
    521,520,768,099.40x = 407,975,867,338,482,237,046,784
  5. Step 5: Solve for x
    x = 407,975,867,338,482,237,046,784/521,520,768,099.40
  6. Step 6: Final answer
    x = 782,281,152,149.10

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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.