Home / 7,725,882,657.60-11,588,823,986.40-1,909,792,353.60

Finding the Fourth Proportional to 7,725,882,657.60, 11,588,823,986.40 and 1,909,792,353.60

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Solution

The fourth proportional to 7,725,882,657.60, 11,588,823,986.40 and 1,909,792,353.60 is: 2,864,688,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,882,657.60 : 11,588,823,986.40 = 1,909,792,353.60 : x
  2. Step 2: Convert to fraction form
    7,725,882,657.60/11,588,823,986.40 = 1,909,792,353.60/x
  3. Step 3: Cross multiply
    7,725,882,657.60x = 11,588,823,986.40 × 1,909,792,353.60
  4. Step 4: Simplify right side
    7,725,882,657.60x = 22,132,247,436,442,988,544
  5. Step 5: Solve for x
    x = 22,132,247,436,442,988,544/7,725,882,657.60
  6. Step 6: Final answer
    x = 2,864,688,530.40

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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.