Home / 13,112,597,382.80-19,668,896,074.20-8,928,456,101.60

Finding the Fourth Proportional to 13,112,597,382.80, 19,668,896,074.20 and 8,928,456,101.60

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Solution

The fourth proportional to 13,112,597,382.80, 19,668,896,074.20 and 8,928,456,101.60 is: 13,392,684,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,597,382.80 : 19,668,896,074.20 = 8,928,456,101.60 : x
  2. Step 2: Convert to fraction form
    13,112,597,382.80/19,668,896,074.20 = 8,928,456,101.60/x
  3. Step 3: Cross multiply
    13,112,597,382.80x = 19,668,896,074.20 × 8,928,456,101.60
  4. Step 4: Simplify right side
    13,112,597,382.80x = 175,612,875,165,427,302,400
  5. Step 5: Solve for x
    x = 175,612,875,165,427,302,400/13,112,597,382.80
  6. Step 6: Final answer
    x = 13,392,684,152.40

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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.