Home / 669,070,024.79-1,003,260,430.79-300,288,832.57

Finding the Fourth Proportional to 669,070,024.79, 1,003,260,430.79 and 300,288,832.57

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Solution

The fourth proportional to 669,070,024.79, 1,003,260,430.79 and 300,288,832.57 is: 450,278,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,070,024.79 : 1,003,260,430.79 = 300,288,832.57 : x
  2. Step 2: Convert to fraction form
    669,070,024.79/1,003,260,430.79 = 300,288,832.57/x
  3. Step 3: Cross multiply
    669,070,024.79x = 1,003,260,430.79 × 300,288,832.57
  4. Step 4: Simplify right side
    669,070,024.79x = 301,267,903,519,086,656
  5. Step 5: Solve for x
    x = 301,267,903,519,086,656/669,070,024.79
  6. Step 6: Final answer
    x = 450,278,584.24

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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.