Home / 745,838,207,999.80-1,118,757,311,999.70-667,474,043,903.80

Finding the Fourth Proportional to 745,838,207,999.80, 1,118,757,311,999.70 and 667,474,043,903.80

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Solution

The fourth proportional to 745,838,207,999.80, 1,118,757,311,999.70 and 667,474,043,903.80 is: 1,001,211,065,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,838,207,999.80 : 1,118,757,311,999.70 = 667,474,043,903.80 : x
  2. Step 2: Convert to fraction form
    745,838,207,999.80/1,118,757,311,999.70 = 667,474,043,903.80/x
  3. Step 3: Cross multiply
    745,838,207,999.80x = 1,118,757,311,999.70 × 667,474,043,903.80
  4. Step 4: Simplify right side
    745,838,207,999.80x = 746,741,467,187,385,114,558,464
  5. Step 5: Solve for x
    x = 746,741,467,187,385,114,558,464/745,838,207,999.80
  6. Step 6: Final answer
    x = 1,001,211,065,855.70

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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.