Home / 485,969,358.69-670,390,647.52-295,179,605.63

Finding the Fourth Proportional to 485,969,358.69, 670,390,647.52 and 295,179,605.63

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Solution

The fourth proportional to 485,969,358.69, 670,390,647.52 and 295,179,605.63 is: 407,197,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,969,358.69 : 670,390,647.52 = 295,179,605.63 : x
  2. Step 2: Convert to fraction form
    485,969,358.69/670,390,647.52 = 295,179,605.63/x
  3. Step 3: Cross multiply
    485,969,358.69x = 670,390,647.52 × 295,179,605.63
  4. Step 4: Simplify right side
    485,969,358.69x = 197,885,646,952,524,960
  5. Step 5: Solve for x
    x = 197,885,646,952,524,960/485,969,358.69
  6. Step 6: Final answer
    x = 407,197,786.06

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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.