Home / 669,190,693.60-1,003,786,040.40-531,441,186.40

Finding the Fourth Proportional to 669,190,693.60, 1,003,786,040.40 and 531,441,186.40

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Solution

The fourth proportional to 669,190,693.60, 1,003,786,040.40 and 531,441,186.40 is: 797,161,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,190,693.60 : 1,003,786,040.40 = 531,441,186.40 : x
  2. Step 2: Convert to fraction form
    669,190,693.60/1,003,786,040.40 = 531,441,186.40/x
  3. Step 3: Cross multiply
    669,190,693.60x = 1,003,786,040.40 × 531,441,186.40
  4. Step 4: Simplify right side
    669,190,693.60x = 533,453,244,201,934,272
  5. Step 5: Solve for x
    x = 533,453,244,201,934,272/669,190,693.60
  6. Step 6: Final answer
    x = 797,161,779.60

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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.