Home / 260,761,457,009.18-391,142,185,513.77-260,761,457,009.18

Finding the Fourth Proportional to 260,761,457,009.18, 391,142,185,513.77 and 260,761,457,009.18

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Solution

The fourth proportional to 260,761,457,009.18, 391,142,185,513.77 and 260,761,457,009.18 is: 391,142,185,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,761,457,009.18 : 391,142,185,513.77 = 260,761,457,009.18 : x
  2. Step 2: Convert to fraction form
    260,761,457,009.18/391,142,185,513.77 = 260,761,457,009.18/x
  3. Step 3: Cross multiply
    260,761,457,009.18x = 391,142,185,513.77 × 260,761,457,009.18
  4. Step 4: Simplify right side
    260,761,457,009.18x = 101,994,806,192,325,642,944,512
  5. Step 5: Solve for x
    x = 101,994,806,192,325,642,944,512/260,761,457,009.18
  6. Step 6: Final answer
    x = 391,142,185,513.77

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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.