Home / 419,861,566.86-579,524,206.23-243,706,314.12

Finding the Fourth Proportional to 419,861,566.86, 579,524,206.23 and 243,706,314.12

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Solution

The fourth proportional to 419,861,566.86, 579,524,206.23 and 243,706,314.12 is: 336,381,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,861,566.86 : 579,524,206.23 = 243,706,314.12 : x
  2. Step 2: Convert to fraction form
    419,861,566.86/579,524,206.23 = 243,706,314.12/x
  3. Step 3: Cross multiply
    419,861,566.86x = 579,524,206.23 × 243,706,314.12
  4. Step 4: Simplify right side
    419,861,566.86x = 141,233,708,243,632,048
  5. Step 5: Solve for x
    x = 141,233,708,243,632,048/419,861,566.86
  6. Step 6: Final answer
    x = 336,381,606.20

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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.