Home / 397,507,328.69-596,382,680.96-203,556,068.69

Finding the Fourth Proportional to 397,507,328.69, 596,382,680.96 and 203,556,068.69

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Solution

The fourth proportional to 397,507,328.69, 596,382,680.96 and 203,556,068.69 is: 305,396,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,507,328.69 : 596,382,680.96 = 203,556,068.69 : x
  2. Step 2: Convert to fraction form
    397,507,328.69/596,382,680.96 = 203,556,068.69/x
  3. Step 3: Cross multiply
    397,507,328.69x = 596,382,680.96 × 203,556,068.69
  4. Step 4: Simplify right side
    397,507,328.69x = 121,397,313,971,020,128
  5. Step 5: Solve for x
    x = 121,397,313,971,020,128/397,507,328.69
  6. Step 6: Final answer
    x = 305,396,417.15

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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.