Home / 461,667,970.68-692,503,333.80-111,912,651.78

Finding the Fourth Proportional to 461,667,970.68, 692,503,333.80 and 111,912,651.78

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Solution

The fourth proportional to 461,667,970.68, 692,503,333.80 and 111,912,651.78 is: 167,869,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,667,970.68 : 692,503,333.80 = 111,912,651.78 : x
  2. Step 2: Convert to fraction form
    461,667,970.68/692,503,333.80 = 111,912,651.78/x
  3. Step 3: Cross multiply
    461,667,970.68x = 692,503,333.80 × 111,912,651.78
  4. Step 4: Simplify right side
    461,667,970.68x = 77,499,884,452,048,496
  5. Step 5: Solve for x
    x = 77,499,884,452,048,496/461,667,970.68
  6. Step 6: Final answer
    x = 167,869,311.66

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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.