Home / 702,905,608.12-1,054,346,675.82-171,122,640.16

Finding the Fourth Proportional to 702,905,608.12, 1,054,346,675.82 and 171,122,640.16

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Solution

The fourth proportional to 702,905,608.12, 1,054,346,675.82 and 171,122,640.16 is: 256,681,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,905,608.12 : 1,054,346,675.82 = 171,122,640.16 : x
  2. Step 2: Convert to fraction form
    702,905,608.12/1,054,346,675.82 = 171,122,640.16/x
  3. Step 3: Cross multiply
    702,905,608.12x = 1,054,346,675.82 × 171,122,640.16
  4. Step 4: Simplify right side
    702,905,608.12x = 180,422,586,810,238,048
  5. Step 5: Solve for x
    x = 180,422,586,810,238,048/702,905,608.12
  6. Step 6: Final answer
    x = 256,681,103.02

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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.