Home / 190,620,186,129.29-263,084,455,664.95-144,819,093,449.79

Finding the Fourth Proportional to 190,620,186,129.29, 263,084,455,664.95 and 144,819,093,449.79

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Solution

The fourth proportional to 190,620,186,129.29, 263,084,455,664.95 and 144,819,093,449.79 is: 199,872,076,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620,186,129.29 : 263,084,455,664.95 = 144,819,093,449.79 : x
  2. Step 2: Convert to fraction form
    190,620,186,129.29/263,084,455,664.95 = 144,819,093,449.79/x
  3. Step 3: Cross multiply
    190,620,186,129.29x = 263,084,455,664.95 × 144,819,093,449.79
  4. Step 4: Simplify right side
    190,620,186,129.29x = 38,099,652,370,129,536,155,648
  5. Step 5: Solve for x
    x = 38,099,652,370,129,536,155,648/190,620,186,129.29
  6. Step 6: Final answer
    x = 199,872,076,214.89

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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.