Home / 342,145,109.60-513,217,664.40-335,342,664.80

Finding the Fourth Proportional to 342,145,109.60, 513,217,664.40 and 335,342,664.80

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Solution

The fourth proportional to 342,145,109.60, 513,217,664.40 and 335,342,664.80 is: 503,013,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,109.60 : 513,217,664.40 = 335,342,664.80 : x
  2. Step 2: Convert to fraction form
    342,145,109.60/513,217,664.40 = 335,342,664.80/x
  3. Step 3: Cross multiply
    342,145,109.60x = 513,217,664.40 × 335,342,664.80
  4. Step 4: Simplify right side
    342,145,109.60x = 172,103,779,202,328,096
  5. Step 5: Solve for x
    x = 172,103,779,202,328,096/342,145,109.60
  6. Step 6: Final answer
    x = 503,013,997.20

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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.