Home / 2,189,758,961.25-3,021,804,915.12-1,285,500,355.12

Finding the Fourth Proportional to 2,189,758,961.25, 3,021,804,915.12 and 1,285,500,355.12

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Solution

The fourth proportional to 2,189,758,961.25, 3,021,804,915.12 and 1,285,500,355.12 is: 1,773,953,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,758,961.25 : 3,021,804,915.12 = 1,285,500,355.12 : x
  2. Step 2: Convert to fraction form
    2,189,758,961.25/3,021,804,915.12 = 1,285,500,355.12/x
  3. Step 3: Cross multiply
    2,189,758,961.25x = 3,021,804,915.12 × 1,285,500,355.12
  4. Step 4: Simplify right side
    2,189,758,961.25x = 3,884,531,291,482,567,168
  5. Step 5: Solve for x
    x = 3,884,531,291,482,567,168/2,189,758,961.25
  6. Step 6: Final answer
    x = 1,773,953,827.90

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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.