Home / 434,500,900.43-647,658,127.20-399,633,122.03

Finding the Fourth Proportional to 434,500,900.43, 647,658,127.20 and 399,633,122.03

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Solution

The fourth proportional to 434,500,900.43, 647,658,127.20 and 399,633,122.03 is: 595,684,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,500,900.43 : 647,658,127.20 = 399,633,122.03 : x
  2. Step 2: Convert to fraction form
    434,500,900.43/647,658,127.20 = 399,633,122.03/x
  3. Step 3: Cross multiply
    434,500,900.43x = 647,658,127.20 × 399,633,122.03
  4. Step 4: Simplify right side
    434,500,900.43x = 258,825,639,381,038,848
  5. Step 5: Solve for x
    x = 258,825,639,381,038,848/434,500,900.43
  6. Step 6: Final answer
    x = 595,684,932.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.