Home / 380,183,406.56-524,563,178.88-215,170,976

Finding the Fourth Proportional to 380,183,406.56, 524,563,178.88 and 215,170,976

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Solution

The fourth proportional to 380,183,406.56, 524,563,178.88 and 215,170,976 is: 296,885,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,183,406.56 : 524,563,178.88 = 215,170,976 : x
  2. Step 2: Convert to fraction form
    380,183,406.56/524,563,178.88 = 215,170,976/x
  3. Step 3: Cross multiply
    380,183,406.56x = 524,563,178.88 × 215,170,976
  4. Step 4: Simplify right side
    380,183,406.56x = 112,870,771,173,272,192
  5. Step 5: Solve for x
    x = 112,870,771,173,272,192/380,183,406.56
  6. Step 6: Final answer
    x = 296,885,053.97

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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.