Home / 900,933,309.51-1,351,404,464.01-318,668,091.63

Finding the Fourth Proportional to 900,933,309.51, 1,351,404,464.01 and 318,668,091.63

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Solution

The fourth proportional to 900,933,309.51, 1,351,404,464.01 and 318,668,091.63 is: 478,003,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,933,309.51 : 1,351,404,464.01 = 318,668,091.63 : x
  2. Step 2: Convert to fraction form
    900,933,309.51/1,351,404,464.01 = 318,668,091.63/x
  3. Step 3: Cross multiply
    900,933,309.51x = 1,351,404,464.01 × 318,668,091.63
  4. Step 4: Simplify right side
    900,933,309.51x = 430,649,481,566,329,728
  5. Step 5: Solve for x
    x = 430,649,481,566,329,728/900,933,309.51
  6. Step 6: Final answer
    x = 478,003,729.04

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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.