Home / 8,273,958,111.60-12,410,937,167.40-7,240,836,807.60

Finding the Fourth Proportional to 8,273,958,111.60, 12,410,937,167.40 and 7,240,836,807.60

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Solution

The fourth proportional to 8,273,958,111.60, 12,410,937,167.40 and 7,240,836,807.60 is: 10,861,255,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,958,111.60 : 12,410,937,167.40 = 7,240,836,807.60 : x
  2. Step 2: Convert to fraction form
    8,273,958,111.60/12,410,937,167.40 = 7,240,836,807.60/x
  3. Step 3: Cross multiply
    8,273,958,111.60x = 12,410,937,167.40 × 7,240,836,807.60
  4. Step 4: Simplify right side
    8,273,958,111.60x = 89,865,570,658,520,809,472
  5. Step 5: Solve for x
    x = 89,865,570,658,520,809,472/8,273,958,111.60
  6. Step 6: Final answer
    x = 10,861,255,211.40

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Double scale
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Similar ratio
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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.