Home / 1,274,156,750.30-1,911,235,125.45-401,025,759.35

Finding the Fourth Proportional to 1,274,156,750.30, 1,911,235,125.45 and 401,025,759.35

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Solution

The fourth proportional to 1,274,156,750.30, 1,911,235,125.45 and 401,025,759.35 is: 601,538,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,750.30 : 1,911,235,125.45 = 401,025,759.35 : x
  2. Step 2: Convert to fraction form
    1,274,156,750.30/1,911,235,125.45 = 401,025,759.35/x
  3. Step 3: Cross multiply
    1,274,156,750.30x = 1,911,235,125.45 × 401,025,759.35
  4. Step 4: Simplify right side
    1,274,156,750.30x = 766,454,517,479,978,880
  5. Step 5: Solve for x
    x = 766,454,517,479,978,880/1,274,156,750.30
  6. Step 6: Final answer
    x = 601,538,639.03

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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.