Home / 678,574,590.09-936,508,760.61-410,797,963.59

Finding the Fourth Proportional to 678,574,590.09, 936,508,760.61 and 410,797,963.59

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Solution

The fourth proportional to 678,574,590.09, 936,508,760.61 and 410,797,963.59 is: 566,947,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,574,590.09 : 936,508,760.61 = 410,797,963.59 : x
  2. Step 2: Convert to fraction form
    678,574,590.09/936,508,760.61 = 410,797,963.59/x
  3. Step 3: Cross multiply
    678,574,590.09x = 936,508,760.61 × 410,797,963.59
  4. Step 4: Simplify right side
    678,574,590.09x = 384,715,891,742,782,784
  5. Step 5: Solve for x
    x = 384,715,891,742,782,784/678,574,590.09
  6. Step 6: Final answer
    x = 566,947,093.75

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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.