Home / 664,272,668.40-996,409,002.60-295,806,908.40

Finding the Fourth Proportional to 664,272,668.40, 996,409,002.60 and 295,806,908.40

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Solution

The fourth proportional to 664,272,668.40, 996,409,002.60 and 295,806,908.40 is: 443,710,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,272,668.40 : 996,409,002.60 = 295,806,908.40 : x
  2. Step 2: Convert to fraction form
    664,272,668.40/996,409,002.60 = 295,806,908.40/x
  3. Step 3: Cross multiply
    664,272,668.40x = 996,409,002.60 × 295,806,908.40
  4. Step 4: Simplify right side
    664,272,668.40x = 294,744,666,561,033,536
  5. Step 5: Solve for x
    x = 294,744,666,561,033,536/664,272,668.40
  6. Step 6: Final answer
    x = 443,710,362.60

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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.