Home / 351,592,583.16-485,174,113.80-194,953,891.34

Finding the Fourth Proportional to 351,592,583.16, 485,174,113.80 and 194,953,891.34

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Solution

The fourth proportional to 351,592,583.16, 485,174,113.80 and 194,953,891.34 is: 269,023,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,592,583.16 : 485,174,113.80 = 194,953,891.34 : x
  2. Step 2: Convert to fraction form
    351,592,583.16/485,174,113.80 = 194,953,891.34/x
  3. Step 3: Cross multiply
    351,592,583.16x = 485,174,113.80 × 194,953,891.34
  4. Step 4: Simplify right side
    351,592,583.16x = 94,586,581,462,746,000
  5. Step 5: Solve for x
    x = 94,586,581,462,746,000/351,592,583.16
  6. Step 6: Final answer
    x = 269,023,255.87

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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.