Home / 654,594,139.10-903,361,043.40-372,329,326.46

Finding the Fourth Proportional to 654,594,139.10, 903,361,043.40 and 372,329,326.46

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Solution

The fourth proportional to 654,594,139.10, 903,361,043.40 and 372,329,326.46 is: 513,826,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,594,139.10 : 903,361,043.40 = 372,329,326.46 : x
  2. Step 2: Convert to fraction form
    654,594,139.10/903,361,043.40 = 372,329,326.46/x
  3. Step 3: Cross multiply
    654,594,139.10x = 903,361,043.40 × 372,329,326.46
  4. Step 4: Simplify right side
    654,594,139.10x = 336,347,808,839,324,800
  5. Step 5: Solve for x
    x = 336,347,808,839,324,800/654,594,139.10
  6. Step 6: Final answer
    x = 513,826,489.96

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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.