Home / 351,592,581.15-485,174,111.04-194,953,889.34

Finding the Fourth Proportional to 351,592,581.15, 485,174,111.04 and 194,953,889.34

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Solution

The fourth proportional to 351,592,581.15, 485,174,111.04 and 194,953,889.34 is: 269,023,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,592,581.15 : 485,174,111.04 = 194,953,889.34 : x
  2. Step 2: Convert to fraction form
    351,592,581.15/485,174,111.04 = 194,953,889.34/x
  3. Step 3: Cross multiply
    351,592,581.15x = 485,174,111.04 × 194,953,889.34
  4. Step 4: Simplify right side
    351,592,581.15x = 94,586,579,954,325,040
  5. Step 5: Solve for x
    x = 94,586,579,954,325,040/351,592,581.15
  6. Step 6: Final answer
    x = 269,023,253.12

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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.