Home / 472,530,213.60-708,795,320.40-306,082,892.40

Finding the Fourth Proportional to 472,530,213.60, 708,795,320.40 and 306,082,892.40

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Solution

The fourth proportional to 472,530,213.60, 708,795,320.40 and 306,082,892.40 is: 459,124,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,530,213.60 : 708,795,320.40 = 306,082,892.40 : x
  2. Step 2: Convert to fraction form
    472,530,213.60/708,795,320.40 = 306,082,892.40/x
  3. Step 3: Cross multiply
    472,530,213.60x = 708,795,320.40 × 306,082,892.40
  4. Step 4: Simplify right side
    472,530,213.60x = 216,950,121,787,616,704
  5. Step 5: Solve for x
    x = 216,950,121,787,616,704/472,530,213.60
  6. Step 6: Final answer
    x = 459,124,338.60

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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.