Home / 759,626,942.40-1,139,280,979.14-214,240,930.56

Finding the Fourth Proportional to 759,626,942.40, 1,139,280,979.14 and 214,240,930.56

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Solution

The fourth proportional to 759,626,942.40, 1,139,280,979.14 and 214,240,930.56 is: 321,316,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,626,942.40 : 1,139,280,979.14 = 214,240,930.56 : x
  2. Step 2: Convert to fraction form
    759,626,942.40/1,139,280,979.14 = 214,240,930.56/x
  3. Step 3: Cross multiply
    759,626,942.40x = 1,139,280,979.14 × 214,240,930.56
  4. Step 4: Simplify right side
    759,626,942.40x = 244,080,617,140,261,568
  5. Step 5: Solve for x
    x = 244,080,617,140,261,568/759,626,942.40
  6. Step 6: Final answer
    x = 321,316,429.84

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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.