Home / 6,990,133,497.60-10,485,200,246.40-6,391,518,355.20

Finding the Fourth Proportional to 6,990,133,497.60, 10,485,200,246.40 and 6,391,518,355.20

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Solution

The fourth proportional to 6,990,133,497.60, 10,485,200,246.40 and 6,391,518,355.20 is: 9,587,277,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,133,497.60 : 10,485,200,246.40 = 6,391,518,355.20 : x
  2. Step 2: Convert to fraction form
    6,990,133,497.60/10,485,200,246.40 = 6,391,518,355.20/x
  3. Step 3: Cross multiply
    6,990,133,497.60x = 10,485,200,246.40 × 6,391,518,355.20
  4. Step 4: Simplify right side
    6,990,133,497.60x = 67,016,349,832,813,158,400
  5. Step 5: Solve for x
    x = 67,016,349,832,813,158,400/6,990,133,497.60
  6. Step 6: Final answer
    x = 9,587,277,532.80

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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.