Home / 763,608,932.48-1,145,204,353.20-210,779,203.76

Finding the Fourth Proportional to 763,608,932.48, 1,145,204,353.20 and 210,779,203.76

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Solution

The fourth proportional to 763,608,932.48, 1,145,204,353.20 and 210,779,203.76 is: 316,111,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,608,932.48 : 1,145,204,353.20 = 210,779,203.76 : x
  2. Step 2: Convert to fraction form
    763,608,932.48/1,145,204,353.20 = 210,779,203.76/x
  3. Step 3: Cross multiply
    763,608,932.48x = 1,145,204,353.20 × 210,779,203.76
  4. Step 4: Simplify right side
    763,608,932.48x = 241,385,261,709,981,792
  5. Step 5: Solve for x
    x = 241,385,261,709,981,792/763,608,932.48
  6. Step 6: Final answer
    x = 316,111,102.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.