Home / 461,144,266.80-691,716,400.20-416,662,655.10

Finding the Fourth Proportional to 461,144,266.80, 691,716,400.20 and 416,662,655.10

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Solution

The fourth proportional to 461,144,266.80, 691,716,400.20 and 416,662,655.10 is: 624,993,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,144,266.80 : 691,716,400.20 = 416,662,655.10 : x
  2. Step 2: Convert to fraction form
    461,144,266.80/691,716,400.20 = 416,662,655.10/x
  3. Step 3: Cross multiply
    461,144,266.80x = 691,716,400.20 × 416,662,655.10
  4. Step 4: Simplify right side
    461,144,266.80x = 288,212,391,883,546,208
  5. Step 5: Solve for x
    x = 288,212,391,883,546,208/461,144,266.80
  6. Step 6: Final answer
    x = 624,993,982.65

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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.