Home / 355,640,034.15-533,984,463.45-198,380,315.34

Finding the Fourth Proportional to 355,640,034.15, 533,984,463.45 and 198,380,315.34

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Solution

The fourth proportional to 355,640,034.15, 533,984,463.45 and 198,380,315.34 is: 297,862,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,640,034.15 : 533,984,463.45 = 198,380,315.34 : x
  2. Step 2: Convert to fraction form
    355,640,034.15/533,984,463.45 = 198,380,315.34/x
  3. Step 3: Cross multiply
    355,640,034.15x = 533,984,463.45 × 198,380,315.34
  4. Step 4: Simplify right side
    355,640,034.15x = 105,932,006,245,871,696
  5. Step 5: Solve for x
    x = 105,932,006,245,871,696/355,640,034.15
  6. Step 6: Final answer
    x = 297,862,996.50

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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.