Home / 39,885,460,527.92-55,043,240,299.92-21,820,557,664.04

Finding the Fourth Proportional to 39,885,460,527.92, 55,043,240,299.92 and 21,820,557,664.04

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Solution

The fourth proportional to 39,885,460,527.92, 55,043,240,299.92 and 21,820,557,664.04 is: 30,113,083,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885,460,527.92 : 55,043,240,299.92 = 21,820,557,664.04 : x
  2. Step 2: Convert to fraction form
    39,885,460,527.92/55,043,240,299.92 = 21,820,557,664.04/x
  3. Step 3: Cross multiply
    39,885,460,527.92x = 55,043,240,299.92 × 21,820,557,664.04
  4. Step 4: Simplify right side
    39,885,460,527.92x = 1,201,074,198,980,014,637,056
  5. Step 5: Solve for x
    x = 1,201,074,198,980,014,637,056/39,885,460,527.92
  6. Step 6: Final answer
    x = 30,113,083,391.36

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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.