Home / 325,396,322,390.98-488,085,460,899.24-86,633,019,887.13

Finding the Fourth Proportional to 325,396,322,390.98, 488,085,460,899.24 and 86,633,019,887.13

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Solution

The fourth proportional to 325,396,322,390.98, 488,085,460,899.24 and 86,633,019,887.13 is: 129,947,127,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,396,322,390.98 : 488,085,460,899.24 = 86,633,019,887.13 : x
  2. Step 2: Convert to fraction form
    325,396,322,390.98/488,085,460,899.24 = 86,633,019,887.13/x
  3. Step 3: Cross multiply
    325,396,322,390.98x = 488,085,460,899.24 × 86,633,019,887.13
  4. Step 4: Simplify right side
    325,396,322,390.98x = 42,284,317,440,702,869,929,984
  5. Step 5: Solve for x
    x = 42,284,317,440,702,869,929,984/325,396,322,390.98
  6. Step 6: Final answer
    x = 129,947,127,644.23

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1.5x scale

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.