Home / 1,175,598,977.49-1,622,326,112.37-646,962,961.73

Finding the Fourth Proportional to 1,175,598,977.49, 1,622,326,112.37 and 646,962,961.73

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Solution

The fourth proportional to 1,175,598,977.49, 1,622,326,112.37 and 646,962,961.73 is: 892,808,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,598,977.49 : 1,622,326,112.37 = 646,962,961.73 : x
  2. Step 2: Convert to fraction form
    1,175,598,977.49/1,622,326,112.37 = 646,962,961.73/x
  3. Step 3: Cross multiply
    1,175,598,977.49x = 1,622,326,112.37 × 646,962,961.73
  4. Step 4: Simplify right side
    1,175,598,977.49x = 1,049,584,906,542,700,288
  5. Step 5: Solve for x
    x = 1,049,584,906,542,700,288/1,175,598,977.49
  6. Step 6: Final answer
    x = 892,808,624.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.