Home / 672,392,415.92-1,008,895,078.49-345,097,769.27

Finding the Fourth Proportional to 672,392,415.92, 1,008,895,078.49 and 345,097,769.27

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Solution

The fourth proportional to 672,392,415.92, 1,008,895,078.49 and 345,097,769.27 is: 517,803,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,392,415.92 : 1,008,895,078.49 = 345,097,769.27 : x
  2. Step 2: Convert to fraction form
    672,392,415.92/1,008,895,078.49 = 345,097,769.27/x
  3. Step 3: Cross multiply
    672,392,415.92x = 1,008,895,078.49 × 345,097,769.27
  4. Step 4: Simplify right side
    672,392,415.92x = 348,167,441,014,380,544
  5. Step 5: Solve for x
    x = 348,167,441,014,380,544/672,392,415.92
  6. Step 6: Final answer
    x = 517,803,938.25

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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.