Home / 330,093,312.90-495,139,969.35-305,151,015.30

Finding the Fourth Proportional to 330,093,312.90, 495,139,969.35 and 305,151,015.30

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Solution

The fourth proportional to 330,093,312.90, 495,139,969.35 and 305,151,015.30 is: 457,726,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,093,312.90 : 495,139,969.35 = 305,151,015.30 : x
  2. Step 2: Convert to fraction form
    330,093,312.90/495,139,969.35 = 305,151,015.30/x
  3. Step 3: Cross multiply
    330,093,312.90x = 495,139,969.35 × 305,151,015.30
  4. Step 4: Simplify right side
    330,093,312.90x = 151,092,464,362,763,392
  5. Step 5: Solve for x
    x = 151,092,464,362,763,392/330,093,312.90
  6. Step 6: Final answer
    x = 457,726,522.95

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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.