Home / 288,772,043.63-433,157,391.80-189,687,132.59

Finding the Fourth Proportional to 288,772,043.63, 433,157,391.80 and 189,687,132.59

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Solution

The fourth proportional to 288,772,043.63, 433,157,391.80 and 189,687,132.59 is: 284,530,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,772,043.63 : 433,157,391.80 = 189,687,132.59 : x
  2. Step 2: Convert to fraction form
    288,772,043.63/433,157,391.80 = 189,687,132.59/x
  3. Step 3: Cross multiply
    288,772,043.63x = 433,157,391.80 × 189,687,132.59
  4. Step 4: Simplify right side
    288,772,043.63x = 82,164,383,611,421,312
  5. Step 5: Solve for x
    x = 82,164,383,611,421,312/288,772,043.63
  6. Step 6: Final answer
    x = 284,530,256.39

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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.