Home / 330,470,039,361.64-495,931,490,146.74-115,338,581,673.16

Finding the Fourth Proportional to 330,470,039,361.64, 495,931,490,146.74 and 115,338,581,673.16

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Solution

The fourth proportional to 330,470,039,361.64, 495,931,490,146.74 and 115,338,581,673.16 is: 173,086,900,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470,039,361.64 : 495,931,490,146.74 = 115,338,581,673.16 : x
  2. Step 2: Convert to fraction form
    330,470,039,361.64/495,931,490,146.74 = 115,338,581,673.16/x
  3. Step 3: Cross multiply
    330,470,039,361.64x = 495,931,490,146.74 × 115,338,581,673.16
  4. Step 4: Simplify right side
    330,470,039,361.64x = 57,200,034,680,581,715,394,560
  5. Step 5: Solve for x
    x = 57,200,034,680,581,715,394,560/330,470,039,361.64
  6. Step 6: Final answer
    x = 173,086,900,074.43

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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.