Home / 20,953,846,137.20-31,384,852,703.40-18,627,410,015.60

Finding the Fourth Proportional to 20,953,846,137.20, 31,384,852,703.40 and 18,627,410,015.60

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Solution

The fourth proportional to 20,953,846,137.20, 31,384,852,703.40 and 18,627,410,015.60 is: 27,900,296,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,846,137.20 : 31,384,852,703.40 = 18,627,410,015.60 : x
  2. Step 2: Convert to fraction form
    20,953,846,137.20/31,384,852,703.40 = 18,627,410,015.60/x
  3. Step 3: Cross multiply
    20,953,846,137.20x = 31,384,852,703.40 × 18,627,410,015.60
  4. Step 4: Simplify right side
    20,953,846,137.20x = 584,618,519,585,443,872,768
  5. Step 5: Solve for x
    x = 584,618,519,585,443,872,768/20,953,846,137.20
  6. Step 6: Final answer
    x = 27,900,296,478.15

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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.