Home / 836,660,827.67-1,255,144,440.88-345,105,940.01

Finding the Fourth Proportional to 836,660,827.67, 1,255,144,440.88 and 345,105,940.01

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Solution

The fourth proportional to 836,660,827.67, 1,255,144,440.88 and 345,105,940.01 is: 517,722,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,660,827.67 : 1,255,144,440.88 = 345,105,940.01 : x
  2. Step 2: Convert to fraction form
    836,660,827.67/1,255,144,440.88 = 345,105,940.01/x
  3. Step 3: Cross multiply
    836,660,827.67x = 1,255,144,440.88 × 345,105,940.01
  4. Step 4: Simplify right side
    836,660,827.67x = 433,157,802,119,423,168
  5. Step 5: Solve for x
    x = 433,157,802,119,423,168/836,660,827.67
  6. Step 6: Final answer
    x = 517,722,101.71

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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.