Home / 664,848,049.70-997,272,074.55-358,738,033.70

Finding the Fourth Proportional to 664,848,049.70, 997,272,074.55 and 358,738,033.70

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Solution

The fourth proportional to 664,848,049.70, 997,272,074.55 and 358,738,033.70 is: 538,107,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,049.70 : 997,272,074.55 = 358,738,033.70 : x
  2. Step 2: Convert to fraction form
    664,848,049.70/997,272,074.55 = 358,738,033.70/x
  3. Step 3: Cross multiply
    664,848,049.70x = 997,272,074.55 × 358,738,033.70
  4. Step 4: Simplify right side
    664,848,049.70x = 357,759,423,087,986,752
  5. Step 5: Solve for x
    x = 357,759,423,087,986,752/664,848,049.70
  6. Step 6: Final answer
    x = 538,107,050.55

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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.