Home / 342,070,007.80-513,105,011.70-299,023,286.80

Finding the Fourth Proportional to 342,070,007.80, 513,105,011.70 and 299,023,286.80

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Solution

The fourth proportional to 342,070,007.80, 513,105,011.70 and 299,023,286.80 is: 448,534,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,070,007.80 : 513,105,011.70 = 299,023,286.80 : x
  2. Step 2: Convert to fraction form
    342,070,007.80/513,105,011.70 = 299,023,286.80/x
  3. Step 3: Cross multiply
    342,070,007.80x = 513,105,011.70 × 299,023,286.80
  4. Step 4: Simplify right side
    342,070,007.80x = 153,430,347,072,086,464
  5. Step 5: Solve for x
    x = 153,430,347,072,086,464/342,070,007.80
  6. Step 6: Final answer
    x = 448,534,930.20

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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.