Home / 669,190,749.60-1,003,786,124.40-531,441,242.40

Finding the Fourth Proportional to 669,190,749.60, 1,003,786,124.40 and 531,441,242.40

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Solution

The fourth proportional to 669,190,749.60, 1,003,786,124.40 and 531,441,242.40 is: 797,161,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,190,749.60 : 1,003,786,124.40 = 531,441,242.40 : x
  2. Step 2: Convert to fraction form
    669,190,749.60/1,003,786,124.40 = 531,441,242.40/x
  3. Step 3: Cross multiply
    669,190,749.60x = 1,003,786,124.40 × 531,441,242.40
  4. Step 4: Simplify right side
    669,190,749.60x = 533,453,345,055,016,896
  5. Step 5: Solve for x
    x = 533,453,345,055,016,896/669,190,749.60
  6. Step 6: Final answer
    x = 797,161,863.60

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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.