Home / 768,781,005,674.80-1,152,364,275,568.50-258,662,673,185.10

Finding the Fourth Proportional to 768,781,005,674.80, 1,152,364,275,568.50 and 258,662,673,185.10

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Solution

The fourth proportional to 768,781,005,674.80, 1,152,364,275,568.50 and 258,662,673,185.10 is: 387,722,409,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,781,005,674.80 : 1,152,364,275,568.50 = 258,662,673,185.10 : x
  2. Step 2: Convert to fraction form
    768,781,005,674.80/1,152,364,275,568.50 = 258,662,673,185.10/x
  3. Step 3: Cross multiply
    768,781,005,674.80x = 1,152,364,275,568.50 × 258,662,673,185.10
  4. Step 4: Simplify right side
    768,781,005,674.80x = 298,073,624,001,559,448,780,800
  5. Step 5: Solve for x
    x = 298,073,624,001,559,448,780,800/768,781,005,674.80
  6. Step 6: Final answer
    x = 387,722,409,634.62

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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.