Home / 5,380,608,800.40-8,070,913,200.60-2,478,232,352.40

Finding the Fourth Proportional to 5,380,608,800.40, 8,070,913,200.60 and 2,478,232,352.40

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Solution

The fourth proportional to 5,380,608,800.40, 8,070,913,200.60 and 2,478,232,352.40 is: 3,717,348,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,608,800.40 : 8,070,913,200.60 = 2,478,232,352.40 : x
  2. Step 2: Convert to fraction form
    5,380,608,800.40/8,070,913,200.60 = 2,478,232,352.40/x
  3. Step 3: Cross multiply
    5,380,608,800.40x = 8,070,913,200.60 × 2,478,232,352.40
  4. Step 4: Simplify right side
    5,380,608,800.40x = 20,001,598,207,139,151,872
  5. Step 5: Solve for x
    x = 20,001,598,207,139,151,872/5,380,608,800.40
  6. Step 6: Final answer
    x = 3,717,348,528.60

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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.