Home / 673,984,998.60-1,010,977,497.90-551,540,992.20

Finding the Fourth Proportional to 673,984,998.60, 1,010,977,497.90 and 551,540,992.20

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Solution

The fourth proportional to 673,984,998.60, 1,010,977,497.90 and 551,540,992.20 is: 827,311,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,984,998.60 : 1,010,977,497.90 = 551,540,992.20 : x
  2. Step 2: Convert to fraction form
    673,984,998.60/1,010,977,497.90 = 551,540,992.20/x
  3. Step 3: Cross multiply
    673,984,998.60x = 1,010,977,497.90 × 551,540,992.20
  4. Step 4: Simplify right side
    673,984,998.60x = 557,595,532,283,639,424
  5. Step 5: Solve for x
    x = 557,595,532,283,639,424/673,984,998.60
  6. Step 6: Final answer
    x = 827,311,488.30

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Double scale
Find fourth proportional to 673,984,999.60, 1,010,977,499.40 and 551,540,993.20
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.