Home / 330,470,039,361.63-495,931,490,146.74-115,338,581,673.15

Finding the Fourth Proportional to 330,470,039,361.63, 495,931,490,146.74 and 115,338,581,673.15

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Solution

The fourth proportional to 330,470,039,361.63, 495,931,490,146.74 and 115,338,581,673.15 is: 173,086,900,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470,039,361.63 : 495,931,490,146.74 = 115,338,581,673.15 : x
  2. Step 2: Convert to fraction form
    330,470,039,361.63/495,931,490,146.74 = 115,338,581,673.15/x
  3. Step 3: Cross multiply
    330,470,039,361.63x = 495,931,490,146.74 × 115,338,581,673.15
  4. Step 4: Simplify right side
    330,470,039,361.63x = 57,200,034,680,576,749,338,624
  5. Step 5: Solve for x
    x = 57,200,034,680,576,749,338,624/330,470,039,361.63
  6. Step 6: Final answer
    x = 173,086,900,074.42

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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.