Home / 20,953,845,574.20-31,384,851,858.90-18,627,409,452.60

Finding the Fourth Proportional to 20,953,845,574.20, 31,384,851,858.90 and 18,627,409,452.60

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Solution

The fourth proportional to 20,953,845,574.20, 31,384,851,858.90 and 18,627,409,452.60 is: 27,900,295,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,845,574.20 : 31,384,851,858.90 = 18,627,409,452.60 : x
  2. Step 2: Convert to fraction form
    20,953,845,574.20/31,384,851,858.90 = 18,627,409,452.60/x
  3. Step 3: Cross multiply
    20,953,845,574.20x = 31,384,851,858.90 × 18,627,409,452.60
  4. Step 4: Simplify right side
    20,953,845,574.20x = 584,618,486,184,924,545,024
  5. Step 5: Solve for x
    x = 584,618,486,184,924,545,024/20,953,845,574.20
  6. Step 6: Final answer
    x = 27,900,295,633.79

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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.