Home / 2,189,758,961.75-3,021,804,915.81-1,285,500,355.62

Finding the Fourth Proportional to 2,189,758,961.75, 3,021,804,915.81 and 1,285,500,355.62

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Solution

The fourth proportional to 2,189,758,961.75, 3,021,804,915.81 and 1,285,500,355.62 is: 1,773,953,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,758,961.75 : 3,021,804,915.81 = 1,285,500,355.62 : x
  2. Step 2: Convert to fraction form
    2,189,758,961.75/3,021,804,915.81 = 1,285,500,355.62/x
  3. Step 3: Cross multiply
    2,189,758,961.75x = 3,021,804,915.81 × 1,285,500,355.62
  4. Step 4: Simplify right side
    2,189,758,961.75x = 3,884,531,293,888,018,944
  5. Step 5: Solve for x
    x = 3,884,531,293,888,018,944/2,189,758,961.75
  6. Step 6: Final answer
    x = 1,773,953,828.59

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1.5x scale

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.