Home / 780,194,696.46-1,170,112,961.44-465,149,869.62

Finding the Fourth Proportional to 780,194,696.46, 1,170,112,961.44 and 465,149,869.62

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Solution

The fourth proportional to 780,194,696.46, 1,170,112,961.44 and 465,149,869.62 is: 697,618,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,194,696.46 : 1,170,112,961.44 = 465,149,869.62 : x
  2. Step 2: Convert to fraction form
    780,194,696.46/1,170,112,961.44 = 465,149,869.62/x
  3. Step 3: Cross multiply
    780,194,696.46x = 1,170,112,961.44 × 465,149,869.62
  4. Step 4: Simplify right side
    780,194,696.46x = 544,277,891,454,488,128
  5. Step 5: Solve for x
    x = 544,277,891,454,488,128/780,194,696.46
  6. Step 6: Final answer
    x = 697,618,035.50

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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.