Home / 288,005,449.08-397,448,573.59-155,846,446.96

Finding the Fourth Proportional to 288,005,449.08, 397,448,573.59 and 155,846,446.96

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Solution

The fourth proportional to 288,005,449.08, 397,448,573.59 and 155,846,446.96 is: 215,068,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005,449.08 : 397,448,573.59 = 155,846,446.96 : x
  2. Step 2: Convert to fraction form
    288,005,449.08/397,448,573.59 = 155,846,446.96/x
  3. Step 3: Cross multiply
    288,005,449.08x = 397,448,573.59 × 155,846,446.96
  4. Step 4: Simplify right side
    288,005,449.08x = 61,940,948,042,824,952
  5. Step 5: Solve for x
    x = 61,940,948,042,824,952/288,005,449.08
  6. Step 6: Final answer
    x = 215,068,667.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.