Home / 29,259,533,649.80-40,378,125,708.66-15,893,537,233.16

Finding the Fourth Proportional to 29,259,533,649.80, 40,378,125,708.66 and 15,893,537,233.16

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Solution

The fourth proportional to 29,259,533,649.80, 40,378,125,708.66 and 15,893,537,233.16 is: 21,933,064,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259,533,649.80 : 40,378,125,708.66 = 15,893,537,233.16 : x
  2. Step 2: Convert to fraction form
    29,259,533,649.80/40,378,125,708.66 = 15,893,537,233.16/x
  3. Step 3: Cross multiply
    29,259,533,649.80x = 40,378,125,708.66 × 15,893,537,233.16
  4. Step 4: Simplify right side
    29,259,533,649.80x = 641,751,244,355,802,759,168
  5. Step 5: Solve for x
    x = 641,751,244,355,802,759,168/29,259,533,649.80
  6. Step 6: Final answer
    x = 21,933,064,690.53

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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.