Home / 42,215,940,795.66-63,334,629,647.67-19,542,640,955.28

Finding the Fourth Proportional to 42,215,940,795.66, 63,334,629,647.67 and 19,542,640,955.28

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Solution

The fourth proportional to 42,215,940,795.66, 63,334,629,647.67 and 19,542,640,955.28 is: 29,318,923,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215,940,795.66 : 63,334,629,647.67 = 19,542,640,955.28 : x
  2. Step 2: Convert to fraction form
    42,215,940,795.66/63,334,629,647.67 = 19,542,640,955.28/x
  3. Step 3: Cross multiply
    42,215,940,795.66x = 63,334,629,647.67 × 19,542,640,955.28
  4. Step 4: Simplify right side
    42,215,940,795.66x = 1,237,725,927,240,046,477,312
  5. Step 5: Solve for x
    x = 1,237,725,927,240,046,477,312/42,215,940,795.66
  6. Step 6: Final answer
    x = 29,318,923,229.29

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Double scale
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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.