Home / 664,992,037.70-997,488,056.55-619,642,405.70

Finding the Fourth Proportional to 664,992,037.70, 997,488,056.55 and 619,642,405.70

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Solution

The fourth proportional to 664,992,037.70, 997,488,056.55 and 619,642,405.70 is: 929,463,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,992,037.70 : 997,488,056.55 = 619,642,405.70 : x
  2. Step 2: Convert to fraction form
    664,992,037.70/997,488,056.55 = 619,642,405.70/x
  3. Step 3: Cross multiply
    664,992,037.70x = 997,488,056.55 × 619,642,405.70
  4. Step 4: Simplify right side
    664,992,037.70x = 618,085,899,017,659,648
  5. Step 5: Solve for x
    x = 618,085,899,017,659,648/664,992,037.70
  6. Step 6: Final answer
    x = 929,463,608.55

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Double scale
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Similar ratio
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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.