Home / 1,056,339,638.80-1,584,579,442.20-279,974,467.60

Finding the Fourth Proportional to 1,056,339,638.80, 1,584,579,442.20 and 279,974,467.60

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Solution

The fourth proportional to 1,056,339,638.80, 1,584,579,442.20 and 279,974,467.60 is: 419,980,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,339,638.80 : 1,584,579,442.20 = 279,974,467.60 : x
  2. Step 2: Convert to fraction form
    1,056,339,638.80/1,584,579,442.20 = 279,974,467.60/x
  3. Step 3: Cross multiply
    1,056,339,638.80x = 1,584,579,442.20 × 279,974,467.60
  4. Step 4: Simplify right side
    1,056,339,638.80x = 443,641,785,699,850,048
  5. Step 5: Solve for x
    x = 443,641,785,699,850,048/1,056,339,638.80
  6. Step 6: Final answer
    x = 419,980,250.11

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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.