Home / 288,772,044.63-433,157,393.30-189,687,133.59

Finding the Fourth Proportional to 288,772,044.63, 433,157,393.30 and 189,687,133.59

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Solution

The fourth proportional to 288,772,044.63, 433,157,393.30 and 189,687,133.59 is: 284,530,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,772,044.63 : 433,157,393.30 = 189,687,133.59 : x
  2. Step 2: Convert to fraction form
    288,772,044.63/433,157,393.30 = 189,687,133.59/x
  3. Step 3: Cross multiply
    288,772,044.63x = 433,157,393.30 × 189,687,133.59
  4. Step 4: Simplify right side
    288,772,044.63x = 82,164,384,328,393,280
  5. Step 5: Solve for x
    x = 82,164,384,328,393,280/288,772,044.63
  6. Step 6: Final answer
    x = 284,530,257.88

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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.