Home / 443,232,024.80-664,848,037.20-392,213,688.80

Finding the Fourth Proportional to 443,232,024.80, 664,848,037.20 and 392,213,688.80

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Solution

The fourth proportional to 443,232,024.80, 664,848,037.20 and 392,213,688.80 is: 588,320,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,024.80 : 664,848,037.20 = 392,213,688.80 : x
  2. Step 2: Convert to fraction form
    443,232,024.80/664,848,037.20 = 392,213,688.80/x
  3. Step 3: Cross multiply
    443,232,024.80x = 664,848,037.20 × 392,213,688.80
  4. Step 4: Simplify right side
    443,232,024.80x = 260,762,501,161,651,648
  5. Step 5: Solve for x
    x = 260,762,501,161,651,648/443,232,024.80
  6. Step 6: Final answer
    x = 588,320,533.20

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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.