Home / 5,390,084,309.60-8,085,126,464.40-3,294,931,311.20

Finding the Fourth Proportional to 5,390,084,309.60, 8,085,126,464.40 and 3,294,931,311.20

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Solution

The fourth proportional to 5,390,084,309.60, 8,085,126,464.40 and 3,294,931,311.20 is: 4,942,396,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,084,309.60 : 8,085,126,464.40 = 3,294,931,311.20 : x
  2. Step 2: Convert to fraction form
    5,390,084,309.60/8,085,126,464.40 = 3,294,931,311.20/x
  3. Step 3: Cross multiply
    5,390,084,309.60x = 8,085,126,464.40 × 3,294,931,311.20
  4. Step 4: Simplify right side
    5,390,084,309.60x = 26,639,936,342,563,307,520
  5. Step 5: Solve for x
    x = 26,639,936,342,563,307,520/5,390,084,309.60
  6. Step 6: Final answer
    x = 4,942,396,966.80

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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.