Home / 1,274,156,745.30-1,911,235,117.95-401,025,754.35

Finding the Fourth Proportional to 1,274,156,745.30, 1,911,235,117.95 and 401,025,754.35

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Solution

The fourth proportional to 1,274,156,745.30, 1,911,235,117.95 and 401,025,754.35 is: 601,538,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,745.30 : 1,911,235,117.95 = 401,025,754.35 : x
  2. Step 2: Convert to fraction form
    1,274,156,745.30/1,911,235,117.95 = 401,025,754.35/x
  3. Step 3: Cross multiply
    1,274,156,745.30x = 1,911,235,117.95 × 401,025,754.35
  4. Step 4: Simplify right side
    1,274,156,745.30x = 766,454,504,916,110,080
  5. Step 5: Solve for x
    x = 766,454,504,916,110,080/1,274,156,745.30
  6. Step 6: Final answer
    x = 601,538,631.53

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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.