Home / 3,178,744,228.41-4,386,624,187.77-1,769,047,817.61

Finding the Fourth Proportional to 3,178,744,228.41, 4,386,624,187.77 and 1,769,047,817.61

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Solution

The fourth proportional to 3,178,744,228.41, 4,386,624,187.77 and 1,769,047,817.61 is: 2,441,262,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,744,228.41 : 4,386,624,187.77 = 1,769,047,817.61 : x
  2. Step 2: Convert to fraction form
    3,178,744,228.41/4,386,624,187.77 = 1,769,047,817.61/x
  3. Step 3: Cross multiply
    3,178,744,228.41x = 4,386,624,187.77 × 1,769,047,817.61
  4. Step 4: Simplify right side
    3,178,744,228.41x = 7,760,147,946,065,988,608
  5. Step 5: Solve for x
    x = 7,760,147,946,065,988,608/3,178,744,228.41
  6. Step 6: Final answer
    x = 2,441,262,142.68

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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.