Home / 531,509,200.80-797,263,801.20-289,644,496.80

Finding the Fourth Proportional to 531,509,200.80, 797,263,801.20 and 289,644,496.80

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Solution

The fourth proportional to 531,509,200.80, 797,263,801.20 and 289,644,496.80 is: 434,466,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,509,200.80 : 797,263,801.20 = 289,644,496.80 : x
  2. Step 2: Convert to fraction form
    531,509,200.80/797,263,801.20 = 289,644,496.80/x
  3. Step 3: Cross multiply
    531,509,200.80x = 797,263,801.20 × 289,644,496.80
  4. Step 4: Simplify right side
    531,509,200.80x = 230,923,072,515,429,248
  5. Step 5: Solve for x
    x = 230,923,072,515,429,248/531,509,200.80
  6. Step 6: Final answer
    x = 434,466,745.20

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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.