Home / 605,687,043.20-908,166,681.12-236,782,615.04

Finding the Fourth Proportional to 605,687,043.20, 908,166,681.12 and 236,782,615.04

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Solution

The fourth proportional to 605,687,043.20, 908,166,681.12 and 236,782,615.04 is: 355,031,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,687,043.20 : 908,166,681.12 = 236,782,615.04 : x
  2. Step 2: Convert to fraction form
    605,687,043.20/908,166,681.12 = 236,782,615.04/x
  3. Step 3: Cross multiply
    605,687,043.20x = 908,166,681.12 × 236,782,615.04
  4. Step 4: Simplify right side
    605,687,043.20x = 215,038,081,647,791,392
  5. Step 5: Solve for x
    x = 215,038,081,647,791,392/605,687,043.20
  6. Step 6: Final answer
    x = 355,031,668.68

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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.