Home / 368,291,732.65-508,166,721.17-211,628,572.41

Finding the Fourth Proportional to 368,291,732.65, 508,166,721.17 and 211,628,572.41

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Solution

The fourth proportional to 368,291,732.65, 508,166,721.17 and 211,628,572.41 is: 292,003,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291,732.65 : 508,166,721.17 = 211,628,572.41 : x
  2. Step 2: Convert to fraction form
    368,291,732.65/508,166,721.17 = 211,628,572.41/x
  3. Step 3: Cross multiply
    368,291,732.65x = 508,166,721.17 × 211,628,572.41
  4. Step 4: Simplify right side
    368,291,732.65x = 107,542,597,748,264,224
  5. Step 5: Solve for x
    x = 107,542,597,748,264,224/368,291,732.65
  6. Step 6: Final answer
    x = 292,003,833.41

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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.