Home / 419,995,439.71-579,507,177.29-241,344,821.32

Finding the Fourth Proportional to 419,995,439.71, 579,507,177.29 and 241,344,821.32

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Solution

The fourth proportional to 419,995,439.71, 579,507,177.29 and 241,344,821.32 is: 333,006,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,995,439.71 : 579,507,177.29 = 241,344,821.32 : x
  2. Step 2: Convert to fraction form
    419,995,439.71/579,507,177.29 = 241,344,821.32/x
  3. Step 3: Cross multiply
    419,995,439.71x = 579,507,177.29 × 241,344,821.32
  4. Step 4: Simplify right side
    419,995,439.71x = 139,861,056,156,712,592
  5. Step 5: Solve for x
    x = 139,861,056,156,712,592/419,995,439.71
  6. Step 6: Final answer
    x = 333,006,130.38

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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.