Home / 419,995,439.96-579,507,177.64-241,344,821.57

Finding the Fourth Proportional to 419,995,439.96, 579,507,177.64 and 241,344,821.57

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Solution

The fourth proportional to 419,995,439.96, 579,507,177.64 and 241,344,821.57 is: 333,006,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,995,439.96 : 579,507,177.64 = 241,344,821.57 : x
  2. Step 2: Convert to fraction form
    419,995,439.96/579,507,177.64 = 241,344,821.57/x
  3. Step 3: Cross multiply
    419,995,439.96x = 579,507,177.64 × 241,344,821.57
  4. Step 4: Simplify right side
    419,995,439.96x = 139,861,056,386,060,080
  5. Step 5: Solve for x
    x = 139,861,056,386,060,080/419,995,439.96
  6. Step 6: Final answer
    x = 333,006,130.73

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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.