Home / 419,811,051-579,311,256.78-241,200,685.56

Finding the Fourth Proportional to 419,811,051, 579,311,256.78 and 241,200,685.56

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Solution

The fourth proportional to 419,811,051, 579,311,256.78 and 241,200,685.56 is: 332,840,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,811,051 : 579,311,256.78 = 241,200,685.56 : x
  2. Step 2: Convert to fraction form
    419,811,051/579,311,256.78 = 241,200,685.56/x
  3. Step 3: Cross multiply
    419,811,051x = 579,311,256.78 × 241,200,685.56
  4. Step 4: Simplify right side
    419,811,051x = 139,730,272,287,961,200
  5. Step 5: Solve for x
    x = 139,730,272,287,961,200/419,811,051
  6. Step 6: Final answer
    x = 332,840,862.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.