Home / 419,861,574.45-579,524,216.49-243,706,321.53

Finding the Fourth Proportional to 419,861,574.45, 579,524,216.49 and 243,706,321.53

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Solution

The fourth proportional to 419,861,574.45, 579,524,216.49 and 243,706,321.53 is: 336,381,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,861,574.45 : 579,524,216.49 = 243,706,321.53 : x
  2. Step 2: Convert to fraction form
    419,861,574.45/579,524,216.49 = 243,706,321.53/x
  3. Step 3: Cross multiply
    419,861,574.45x = 579,524,216.49 × 243,706,321.53
  4. Step 4: Simplify right side
    419,861,574.45x = 141,233,715,038,333,264
  5. Step 5: Solve for x
    x = 141,233,715,038,333,264/419,861,574.45
  6. Step 6: Final answer
    x = 336,381,616.31

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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.