Home / 3,978,152,538.05-5,966,210,986.83-1,179,466,650.72

Finding the Fourth Proportional to 3,978,152,538.05, 5,966,210,986.83 and 1,179,466,650.72

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Solution

The fourth proportional to 3,978,152,538.05, 5,966,210,986.83 and 1,179,466,650.72 is: 1,768,898,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,152,538.05 : 5,966,210,986.83 = 1,179,466,650.72 : x
  2. Step 2: Convert to fraction form
    3,978,152,538.05/5,966,210,986.83 = 1,179,466,650.72/x
  3. Step 3: Cross multiply
    3,978,152,538.05x = 5,966,210,986.83 × 1,179,466,650.72
  4. Step 4: Simplify right side
    3,978,152,538.05x = 7,036,946,890,143,111,168
  5. Step 5: Solve for x
    x = 7,036,946,890,143,111,168/3,978,152,538.05
  6. Step 6: Final answer
    x = 1,768,898,206.60

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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.