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Finding the Fourth Proportional to 1,099,697,766.60, 1,649,546,649.90 and 634,793,179.80

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Solution

The fourth proportional to 1,099,697,766.60, 1,649,546,649.90 and 634,793,179.80 is: 952,189,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,697,766.60 : 1,649,546,649.90 = 634,793,179.80 : x
  2. Step 2: Convert to fraction form
    1,099,697,766.60/1,649,546,649.90 = 634,793,179.80/x
  3. Step 3: Cross multiply
    1,099,697,766.60x = 1,649,546,649.90 × 634,793,179.80
  4. Step 4: Simplify right side
    1,099,697,766.60x = 1,047,120,963,118,458,368
  5. Step 5: Solve for x
    x = 1,047,120,963,118,458,368/1,099,697,766.60
  6. Step 6: Final answer
    x = 952,189,769.70

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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.