Home / 450,716,826.36-676,172,234.34-139,818,245.88

Finding the Fourth Proportional to 450,716,826.36, 676,172,234.34 and 139,818,245.88

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Solution

The fourth proportional to 450,716,826.36, 676,172,234.34 and 139,818,245.88 is: 209,757,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,716,826.36 : 676,172,234.34 = 139,818,245.88 : x
  2. Step 2: Convert to fraction form
    450,716,826.36/676,172,234.34 = 139,818,245.88/x
  3. Step 3: Cross multiply
    450,716,826.36x = 676,172,234.34 × 139,818,245.88
  4. Step 4: Simplify right side
    450,716,826.36x = 94,541,215,718,179,104
  5. Step 5: Solve for x
    x = 94,541,215,718,179,104/450,716,826.36
  6. Step 6: Final answer
    x = 209,757,457.87

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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.