Home / 259,495,359,441.66-388,852,146,474.69-231,215,937,585.61

Finding the Fourth Proportional to 259,495,359,441.66, 388,852,146,474.69 and 231,215,937,585.61

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Solution

The fourth proportional to 259,495,359,441.66, 388,852,146,474.69 and 231,215,937,585.61 is: 346,475,612,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,495,359,441.66 : 388,852,146,474.69 = 231,215,937,585.61 : x
  2. Step 2: Convert to fraction form
    259,495,359,441.66/388,852,146,474.69 = 231,215,937,585.61/x
  3. Step 3: Cross multiply
    259,495,359,441.66x = 388,852,146,474.69 × 231,215,937,585.61
  4. Step 4: Simplify right side
    259,495,359,441.66x = 89,908,813,629,322,403,250,176
  5. Step 5: Solve for x
    x = 89,908,813,629,322,403,250,176/259,495,359,441.66
  6. Step 6: Final answer
    x = 346,475,612,599.68

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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.