Home / 435,557,890.20-653,336,835.30-217,879,656.60

Finding the Fourth Proportional to 435,557,890.20, 653,336,835.30 and 217,879,656.60

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Solution

The fourth proportional to 435,557,890.20, 653,336,835.30 and 217,879,656.60 is: 326,819,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,557,890.20 : 653,336,835.30 = 217,879,656.60 : x
  2. Step 2: Convert to fraction form
    435,557,890.20/653,336,835.30 = 217,879,656.60/x
  3. Step 3: Cross multiply
    435,557,890.20x = 653,336,835.30 × 217,879,656.60
  4. Step 4: Simplify right side
    435,557,890.20x = 142,348,805,319,294,736
  5. Step 5: Solve for x
    x = 142,348,805,319,294,736/435,557,890.20
  6. Step 6: Final answer
    x = 326,819,484.90

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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.