Home / 482,695,660.80-724,043,491.20-289,203,897.60

Finding the Fourth Proportional to 482,695,660.80, 724,043,491.20 and 289,203,897.60

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Solution

The fourth proportional to 482,695,660.80, 724,043,491.20 and 289,203,897.60 is: 433,805,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,695,660.80 : 724,043,491.20 = 289,203,897.60 : x
  2. Step 2: Convert to fraction form
    482,695,660.80/724,043,491.20 = 289,203,897.60/x
  3. Step 3: Cross multiply
    482,695,660.80x = 724,043,491.20 × 289,203,897.60
  4. Step 4: Simplify right side
    482,695,660.80x = 209,396,199,686,951,328
  5. Step 5: Solve for x
    x = 209,396,199,686,951,328/482,695,660.80
  6. Step 6: Final answer
    x = 433,805,846.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.