Home / 7,976,459,153.60-11,964,688,730.40-6,617,504,657.60

Finding the Fourth Proportional to 7,976,459,153.60, 11,964,688,730.40 and 6,617,504,657.60

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Solution

The fourth proportional to 7,976,459,153.60, 11,964,688,730.40 and 6,617,504,657.60 is: 9,926,256,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,459,153.60 : 11,964,688,730.40 = 6,617,504,657.60 : x
  2. Step 2: Convert to fraction form
    7,976,459,153.60/11,964,688,730.40 = 6,617,504,657.60/x
  3. Step 3: Cross multiply
    7,976,459,153.60x = 11,964,688,730.40 × 6,617,504,657.60
  4. Step 4: Simplify right side
    7,976,459,153.60x = 79,176,383,400,156,233,728
  5. Step 5: Solve for x
    x = 79,176,383,400,156,233,728/7,976,459,153.60
  6. Step 6: Final answer
    x = 9,926,256,986.40

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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.