Home / 2,856,776,017.12-3,942,335,059.68-1,603,712,541.76

Finding the Fourth Proportional to 2,856,776,017.12, 3,942,335,059.68 and 1,603,712,541.76

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Solution

The fourth proportional to 2,856,776,017.12, 3,942,335,059.68 and 1,603,712,541.76 is: 2,213,114,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,776,017.12 : 3,942,335,059.68 = 1,603,712,541.76 : x
  2. Step 2: Convert to fraction form
    2,856,776,017.12/3,942,335,059.68 = 1,603,712,541.76/x
  3. Step 3: Cross multiply
    2,856,776,017.12x = 3,942,335,059.68 × 1,603,712,541.76
  4. Step 4: Simplify right side
    2,856,776,017.12x = 6,322,372,179,028,973,568
  5. Step 5: Solve for x
    x = 6,322,372,179,028,973,568/2,856,776,017.12
  6. Step 6: Final answer
    x = 2,213,114,413.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.