Home / 1,281,927,059.60-1,922,890,589.40-838,067,536.40

Finding the Fourth Proportional to 1,281,927,059.60, 1,922,890,589.40 and 838,067,536.40

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Solution

The fourth proportional to 1,281,927,059.60, 1,922,890,589.40 and 838,067,536.40 is: 1,257,101,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,927,059.60 : 1,922,890,589.40 = 838,067,536.40 : x
  2. Step 2: Convert to fraction form
    1,281,927,059.60/1,922,890,589.40 = 838,067,536.40/x
  3. Step 3: Cross multiply
    1,281,927,059.60x = 1,922,890,589.40 × 838,067,536.40
  4. Step 4: Simplify right side
    1,281,927,059.60x = 1,611,512,179,025,201,920
  5. Step 5: Solve for x
    x = 1,611,512,179,025,201,920/1,281,927,059.60
  6. Step 6: Final answer
    x = 1,257,101,304.60

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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.