Home / 66,468,059,932.60-99,702,089,898.90-19,939,337,500.60

Finding the Fourth Proportional to 66,468,059,932.60, 99,702,089,898.90 and 19,939,337,500.60

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Solution

The fourth proportional to 66,468,059,932.60, 99,702,089,898.90 and 19,939,337,500.60 is: 29,909,006,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468,059,932.60 : 99,702,089,898.90 = 19,939,337,500.60 : x
  2. Step 2: Convert to fraction form
    66,468,059,932.60/99,702,089,898.90 = 19,939,337,500.60/x
  3. Step 3: Cross multiply
    66,468,059,932.60x = 99,702,089,898.90 × 19,939,337,500.60
  4. Step 4: Simplify right side
    66,468,059,932.60x = 1,987,993,620,009,328,836,608
  5. Step 5: Solve for x
    x = 1,987,993,620,009,328,836,608/66,468,059,932.60
  6. Step 6: Final answer
    x = 29,909,006,250.90

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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.