Home / 855,846,015.40-1,283,769,023.10-798,025,234.60

Finding the Fourth Proportional to 855,846,015.40, 1,283,769,023.10 and 798,025,234.60

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Solution

The fourth proportional to 855,846,015.40, 1,283,769,023.10 and 798,025,234.60 is: 1,197,037,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,846,015.40 : 1,283,769,023.10 = 798,025,234.60 : x
  2. Step 2: Convert to fraction form
    855,846,015.40/1,283,769,023.10 = 798,025,234.60/x
  3. Step 3: Cross multiply
    855,846,015.40x = 1,283,769,023.10 × 798,025,234.60
  4. Step 4: Simplify right side
    855,846,015.40x = 1,024,480,075,831,590,272
  5. Step 5: Solve for x
    x = 1,024,480,075,831,590,272/855,846,015.40
  6. Step 6: Final answer
    x = 1,197,037,851.90

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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.