Home / 491,139,441.20-736,811,513.40-163,716,672.80

Finding the Fourth Proportional to 491,139,441.20, 736,811,513.40 and 163,716,672.80

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Solution

The fourth proportional to 491,139,441.20, 736,811,513.40 and 163,716,672.80 is: 245,609,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,139,441.20 : 736,811,513.40 = 163,716,672.80 : x
  2. Step 2: Convert to fraction form
    491,139,441.20/736,811,513.40 = 163,716,672.80/x
  3. Step 3: Cross multiply
    491,139,441.20x = 736,811,513.40 × 163,716,672.80
  4. Step 4: Simplify right side
    491,139,441.20x = 120,628,329,454,580,624
  5. Step 5: Solve for x
    x = 120,628,329,454,580,624/491,139,441.20
  6. Step 6: Final answer
    x = 245,609,127.13

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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.