Home / 330,470,039,359.97-495,931,490,144.25-115,338,581,671.49

Finding the Fourth Proportional to 330,470,039,359.97, 495,931,490,144.25 and 115,338,581,671.49

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Solution

The fourth proportional to 330,470,039,359.97, 495,931,490,144.25 and 115,338,581,671.49 is: 173,086,900,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470,039,359.97 : 495,931,490,144.25 = 115,338,581,671.49 : x
  2. Step 2: Convert to fraction form
    330,470,039,359.97/495,931,490,144.25 = 115,338,581,671.49/x
  3. Step 3: Cross multiply
    330,470,039,359.97x = 495,931,490,144.25 × 115,338,581,671.49
  4. Step 4: Simplify right side
    330,470,039,359.97x = 57,200,034,679,466,315,743,232
  5. Step 5: Solve for x
    x = 57,200,034,679,466,315,743,232/330,470,039,359.97
  6. Step 6: Final answer
    x = 173,086,900,071.93

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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.