Home / 2,128,616,829.80-3,194,119,638.30-901,576,471.40

Finding the Fourth Proportional to 2,128,616,829.80, 3,194,119,638.30 and 901,576,471.40

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Solution

The fourth proportional to 2,128,616,829.80, 3,194,119,638.30 and 901,576,471.40 is: 1,352,870,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,616,829.80 : 3,194,119,638.30 = 901,576,471.40 : x
  2. Step 2: Convert to fraction form
    2,128,616,829.80/3,194,119,638.30 = 901,576,471.40/x
  3. Step 3: Cross multiply
    2,128,616,829.80x = 3,194,119,638.30 × 901,576,471.40
  4. Step 4: Simplify right side
    2,128,616,829.80x = 2,879,743,112,727,958,528
  5. Step 5: Solve for x
    x = 2,879,743,112,727,958,528/2,128,616,829.80
  6. Step 6: Final answer
    x = 1,352,870,592.97

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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.