Home / 900,933,317-1,351,404,475.24-318,668,099.12

Finding the Fourth Proportional to 900,933,317, 1,351,404,475.24 and 318,668,099.12

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Solution

The fourth proportional to 900,933,317, 1,351,404,475.24 and 318,668,099.12 is: 478,003,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,933,317 : 1,351,404,475.24 = 318,668,099.12 : x
  2. Step 2: Convert to fraction form
    900,933,317/1,351,404,475.24 = 318,668,099.12/x
  3. Step 3: Cross multiply
    900,933,317x = 1,351,404,475.24 × 318,668,099.12
  4. Step 4: Simplify right side
    900,933,317x = 430,649,495,266,991,936
  5. Step 5: Solve for x
    x = 430,649,495,266,991,936/900,933,317
  6. Step 6: Final answer
    x = 478,003,740.28

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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.