Home / 207,749,528,621.32-311,825,804,609.48-100,259,445,127.70

Finding the Fourth Proportional to 207,749,528,621.32, 311,825,804,609.48 and 100,259,445,127.70

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Solution

The fourth proportional to 207,749,528,621.32, 311,825,804,609.48 and 100,259,445,127.70 is: 150,486,416,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,749,528,621.32 : 311,825,804,609.48 = 100,259,445,127.70 : x
  2. Step 2: Convert to fraction form
    207,749,528,621.32/311,825,804,609.48 = 100,259,445,127.70/x
  3. Step 3: Cross multiply
    207,749,528,621.32x = 311,825,804,609.48 × 100,259,445,127.70
  4. Step 4: Simplify right side
    207,749,528,621.32x = 31,263,482,146,645,059,043,328
  5. Step 5: Solve for x
    x = 31,263,482,146,645,059,043,328/207,749,528,621.32
  6. Step 6: Final answer
    x = 150,486,416,764.06

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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.