Home / 2,167,171,947.04-2,990,646,417.60-1,275,156,450.40

Finding the Fourth Proportional to 2,167,171,947.04, 2,990,646,417.60 and 1,275,156,450.40

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Solution

The fourth proportional to 2,167,171,947.04, 2,990,646,417.60 and 1,275,156,450.40 is: 1,759,685,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,171,947.04 : 2,990,646,417.60 = 1,275,156,450.40 : x
  2. Step 2: Convert to fraction form
    2,167,171,947.04/2,990,646,417.60 = 1,275,156,450.40/x
  3. Step 3: Cross multiply
    2,167,171,947.04x = 2,990,646,417.60 × 1,275,156,450.40
  4. Step 4: Simplify right side
    2,167,171,947.04x = 3,813,542,070,268,292,096
  5. Step 5: Solve for x
    x = 3,813,542,070,268,292,096/2,167,171,947.04
  6. Step 6: Final answer
    x = 1,759,685,970.22

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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.