Home / 429,693,200.94-644,080,911.48-245,063,123.58

Finding the Fourth Proportional to 429,693,200.94, 644,080,911.48 and 245,063,123.58

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Solution

The fourth proportional to 429,693,200.94, 644,080,911.48 and 245,063,123.58 is: 367,332,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,693,200.94 : 644,080,911.48 = 245,063,123.58 : x
  2. Step 2: Convert to fraction form
    429,693,200.94/644,080,911.48 = 245,063,123.58/x
  3. Step 3: Cross multiply
    429,693,200.94x = 644,080,911.48 × 245,063,123.58
  4. Step 4: Simplify right side
    429,693,200.94x = 157,840,480,005,542,304
  5. Step 5: Solve for x
    x = 157,840,480,005,542,304/429,693,200.94
  6. Step 6: Final answer
    x = 367,332,970.73

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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.