Home / 13,112,597,152.80-19,668,895,729.20-8,928,455,871.60

Finding the Fourth Proportional to 13,112,597,152.80, 19,668,895,729.20 and 8,928,455,871.60

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Solution

The fourth proportional to 13,112,597,152.80, 19,668,895,729.20 and 8,928,455,871.60 is: 13,392,683,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,597,152.80 : 19,668,895,729.20 = 8,928,455,871.60 : x
  2. Step 2: Convert to fraction form
    13,112,597,152.80/19,668,895,729.20 = 8,928,455,871.60/x
  3. Step 3: Cross multiply
    13,112,597,152.80x = 19,668,895,729.20 × 8,928,455,871.60
  4. Step 4: Simplify right side
    13,112,597,152.80x = 175,612,867,561,263,923,200
  5. Step 5: Solve for x
    x = 175,612,867,561,263,923,200/13,112,597,152.80
  6. Step 6: Final answer
    x = 13,392,683,807.40

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Double scale
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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.