Home / 768,781,005,674.90-1,152,364,275,568.50-258,662,673,185.15

Finding the Fourth Proportional to 768,781,005,674.90, 1,152,364,275,568.50 and 258,662,673,185.15

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Solution

The fourth proportional to 768,781,005,674.90, 1,152,364,275,568.50 and 258,662,673,185.15 is: 387,722,409,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,781,005,674.90 : 1,152,364,275,568.50 = 258,662,673,185.15 : x
  2. Step 2: Convert to fraction form
    768,781,005,674.90/1,152,364,275,568.50 = 258,662,673,185.15/x
  3. Step 3: Cross multiply
    768,781,005,674.90x = 1,152,364,275,568.50 × 258,662,673,185.15
  4. Step 4: Simplify right side
    768,781,005,674.90x = 298,073,624,001,617,028,186,112
  5. Step 5: Solve for x
    x = 298,073,624,001,617,028,186,112/768,781,005,674.90
  6. Step 6: Final answer
    x = 387,722,409,634.64

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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.