Home / 768,781,005,766-1,152,364,275,705.30-258,662,673,276.31

Finding the Fourth Proportional to 768,781,005,766, 1,152,364,275,705.30 and 258,662,673,276.31

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Solution

The fourth proportional to 768,781,005,766, 1,152,364,275,705.30 and 258,662,673,276.31 is: 387,722,409,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,781,005,766 : 1,152,364,275,705.30 = 258,662,673,276.31 : x
  2. Step 2: Convert to fraction form
    768,781,005,766/1,152,364,275,705.30 = 258,662,673,276.31/x
  3. Step 3: Cross multiply
    768,781,005,766x = 1,152,364,275,705.30 × 258,662,673,276.31
  4. Step 4: Simplify right side
    768,781,005,766x = 298,073,624,142,051,654,238,208
  5. Step 5: Solve for x
    x = 298,073,624,142,051,654,238,208/768,781,005,766
  6. Step 6: Final answer
    x = 387,722,409,771.37

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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.