Home / 521,520,768,077.85-782,281,152,116.79-521,520,768,077.85

Finding the Fourth Proportional to 521,520,768,077.85, 782,281,152,116.79 and 521,520,768,077.85

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Solution

The fourth proportional to 521,520,768,077.85, 782,281,152,116.79 and 521,520,768,077.85 is: 782,281,152,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,077.85 : 782,281,152,116.79 = 521,520,768,077.85 : x
  2. Step 2: Convert to fraction form
    521,520,768,077.85/782,281,152,116.79 = 521,520,768,077.85/x
  3. Step 3: Cross multiply
    521,520,768,077.85x = 782,281,152,116.79 × 521,520,768,077.85
  4. Step 4: Simplify right side
    521,520,768,077.85x = 407,975,867,304,773,723,095,040
  5. Step 5: Solve for x
    x = 407,975,867,304,773,723,095,040/521,520,768,077.85
  6. Step 6: Final answer
    x = 782,281,152,116.79

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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.