Home / 491,716,502.40-737,612,078.40-146,643,196.80

Finding the Fourth Proportional to 491,716,502.40, 737,612,078.40 and 146,643,196.80

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Solution

The fourth proportional to 491,716,502.40, 737,612,078.40 and 146,643,196.80 is: 219,975,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,716,502.40 : 737,612,078.40 = 146,643,196.80 : x
  2. Step 2: Convert to fraction form
    491,716,502.40/737,612,078.40 = 146,643,196.80/x
  3. Step 3: Cross multiply
    491,716,502.40x = 737,612,078.40 × 146,643,196.80
  4. Step 4: Simplify right side
    491,716,502.40x = 108,165,793,174,868,240
  5. Step 5: Solve for x
    x = 108,165,793,174,868,240/491,716,502.40
  6. Step 6: Final answer
    x = 219,975,926.47

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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.