Home / 664,848,212.20-997,272,318.30-645,716,336.20

Finding the Fourth Proportional to 664,848,212.20, 997,272,318.30 and 645,716,336.20

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Solution

The fourth proportional to 664,848,212.20, 997,272,318.30 and 645,716,336.20 is: 968,574,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,212.20 : 997,272,318.30 = 645,716,336.20 : x
  2. Step 2: Convert to fraction form
    664,848,212.20/997,272,318.30 = 645,716,336.20/x
  3. Step 3: Cross multiply
    664,848,212.20x = 997,272,318.30 × 645,716,336.20
  4. Step 4: Simplify right side
    664,848,212.20x = 643,955,027,566,356,224
  5. Step 5: Solve for x
    x = 643,955,027,566,356,224/664,848,212.20
  6. Step 6: Final answer
    x = 968,574,504.30

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Half scale
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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.