Home / 848,332,803.12-1,272,486,419.64-381,664,664.88

Finding the Fourth Proportional to 848,332,803.12, 1,272,486,419.64 and 381,664,664.88

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Solution

The fourth proportional to 848,332,803.12, 1,272,486,419.64 and 381,664,664.88 is: 572,491,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,332,803.12 : 1,272,486,419.64 = 381,664,664.88 : x
  2. Step 2: Convert to fraction form
    848,332,803.12/1,272,486,419.64 = 381,664,664.88/x
  3. Step 3: Cross multiply
    848,332,803.12x = 1,272,486,419.64 × 381,664,664.88
  4. Step 4: Simplify right side
    848,332,803.12x = 485,663,102,916,251,712
  5. Step 5: Solve for x
    x = 485,663,102,916,251,712/848,332,803.12
  6. Step 6: Final answer
    x = 572,491,245.33

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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.