Home / 371,117,353.92-512,111,456.64-203,844,970.56

Finding the Fourth Proportional to 371,117,353.92, 512,111,456.64 and 203,844,970.56

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Solution

The fourth proportional to 371,117,353.92, 512,111,456.64 and 203,844,970.56 is: 281,289,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,117,353.92 : 512,111,456.64 = 203,844,970.56 : x
  2. Step 2: Convert to fraction form
    371,117,353.92/512,111,456.64 = 203,844,970.56/x
  3. Step 3: Cross multiply
    371,117,353.92x = 512,111,456.64 × 203,844,970.56
  4. Step 4: Simplify right side
    371,117,353.92x = 104,391,344,802,219,520
  5. Step 5: Solve for x
    x = 104,391,344,802,219,520/371,117,353.92
  6. Step 6: Final answer
    x = 281,289,311.05

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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.