Home / 343,633,632.36-474,214,489.86-189,108,960.36

Finding the Fourth Proportional to 343,633,632.36, 474,214,489.86 and 189,108,960.36

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Solution

The fourth proportional to 343,633,632.36, 474,214,489.86 and 189,108,960.36 is: 260,970,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,633,632.36 : 474,214,489.86 = 189,108,960.36 : x
  2. Step 2: Convert to fraction form
    343,633,632.36/474,214,489.86 = 189,108,960.36/x
  3. Step 3: Cross multiply
    343,633,632.36x = 474,214,489.86 × 189,108,960.36
  4. Step 4: Simplify right side
    343,633,632.36x = 89,678,209,165,072,368
  5. Step 5: Solve for x
    x = 89,678,209,165,072,368/343,633,632.36
  6. Step 6: Final answer
    x = 260,970,407.78

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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.