Home / 680,713,635.38-1,021,367,450.12-238,373,796.60

Finding the Fourth Proportional to 680,713,635.38, 1,021,367,450.12 and 238,373,796.60

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Solution

The fourth proportional to 680,713,635.38, 1,021,367,450.12 and 238,373,796.60 is: 357,664,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,713,635.38 : 1,021,367,450.12 = 238,373,796.60 : x
  2. Step 2: Convert to fraction form
    680,713,635.38/1,021,367,450.12 = 238,373,796.60/x
  3. Step 3: Cross multiply
    680,713,635.38x = 1,021,367,450.12 × 238,373,796.60
  4. Step 4: Simplify right side
    680,713,635.38x = 243,467,236,807,573,664
  5. Step 5: Solve for x
    x = 243,467,236,807,573,664/680,713,635.38
  6. Step 6: Final answer
    x = 357,664,697.98

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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.