Home / 323,433,411.20-485,150,116.80-266,037,783.20

Finding the Fourth Proportional to 323,433,411.20, 485,150,116.80 and 266,037,783.20

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Solution

The fourth proportional to 323,433,411.20, 485,150,116.80 and 266,037,783.20 is: 399,056,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,433,411.20 : 485,150,116.80 = 266,037,783.20 : x
  2. Step 2: Convert to fraction form
    323,433,411.20/485,150,116.80 = 266,037,783.20/x
  3. Step 3: Cross multiply
    323,433,411.20x = 485,150,116.80 × 266,037,783.20
  4. Step 4: Simplify right side
    323,433,411.20x = 129,068,261,592,693,072
  5. Step 5: Solve for x
    x = 129,068,261,592,693,072/323,433,411.20
  6. Step 6: Final answer
    x = 399,056,674.80

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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.