Home / 264,484,809.20-396,727,213.80-261,933,892.40

Finding the Fourth Proportional to 264,484,809.20, 396,727,213.80 and 261,933,892.40

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Solution

The fourth proportional to 264,484,809.20, 396,727,213.80 and 261,933,892.40 is: 392,900,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,484,809.20 : 396,727,213.80 = 261,933,892.40 : x
  2. Step 2: Convert to fraction form
    264,484,809.20/396,727,213.80 = 261,933,892.40/x
  3. Step 3: Cross multiply
    264,484,809.20x = 396,727,213.80 × 261,933,892.40
  4. Step 4: Simplify right side
    264,484,809.20x = 103,916,303,331,641,008
  5. Step 5: Solve for x
    x = 103,916,303,331,641,008/264,484,809.20
  6. Step 6: Final answer
    x = 392,900,838.60

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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.