Home / 1,079,811,833.92-1,490,132,911.80-584,763,213.76

Finding the Fourth Proportional to 1,079,811,833.92, 1,490,132,911.80 and 584,763,213.76

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Solution

The fourth proportional to 1,079,811,833.92, 1,490,132,911.80 and 584,763,213.76 is: 806,969,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,811,833.92 : 1,490,132,911.80 = 584,763,213.76 : x
  2. Step 2: Convert to fraction form
    1,079,811,833.92/1,490,132,911.80 = 584,763,213.76/x
  3. Step 3: Cross multiply
    1,079,811,833.92x = 1,490,132,911.80 × 584,763,213.76
  4. Step 4: Simplify right side
    1,079,811,833.92x = 871,374,910,433,714,560
  5. Step 5: Solve for x
    x = 871,374,910,433,714,560/1,079,811,833.92
  6. Step 6: Final answer
    x = 806,969,217.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.