Home / 3,208,370,984.83-4,809,159,866.63-1,079,189,769.18

Finding the Fourth Proportional to 3,208,370,984.83, 4,809,159,866.63 and 1,079,189,769.18

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Solution

The fourth proportional to 3,208,370,984.83, 4,809,159,866.63 and 1,079,189,769.18 is: 1,617,642,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,370,984.83 : 4,809,159,866.63 = 1,079,189,769.18 : x
  2. Step 2: Convert to fraction form
    3,208,370,984.83/4,809,159,866.63 = 1,079,189,769.18/x
  3. Step 3: Cross multiply
    3,208,370,984.83x = 4,809,159,866.63 × 1,079,189,769.18
  4. Step 4: Simplify right side
    3,208,370,984.83x = 5,189,996,126,439,013,376
  5. Step 5: Solve for x
    x = 5,189,996,126,439,013,376/3,208,370,984.83
  6. Step 6: Final answer
    x = 1,617,642,146.43

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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.