Home / 342,145,135.60-513,217,703.40-335,342,690.80

Finding the Fourth Proportional to 342,145,135.60, 513,217,703.40 and 335,342,690.80

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Solution

The fourth proportional to 342,145,135.60, 513,217,703.40 and 335,342,690.80 is: 503,014,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,135.60 : 513,217,703.40 = 335,342,690.80 : x
  2. Step 2: Convert to fraction form
    342,145,135.60/513,217,703.40 = 335,342,690.80/x
  3. Step 3: Cross multiply
    342,145,135.60x = 513,217,703.40 × 335,342,690.80
  4. Step 4: Simplify right side
    342,145,135.60x = 172,103,805,624,352,320
  5. Step 5: Solve for x
    x = 172,103,805,624,352,320/342,145,135.60
  6. Step 6: Final answer
    x = 503,014,036.20

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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.