Home / 357,158,403.22-492,767,400.14-206,396,134.65

Finding the Fourth Proportional to 357,158,403.22, 492,767,400.14 and 206,396,134.65

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Solution

The fourth proportional to 357,158,403.22, 492,767,400.14 and 206,396,134.65 is: 284,762,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,158,403.22 : 492,767,400.14 = 206,396,134.65 : x
  2. Step 2: Convert to fraction form
    357,158,403.22/492,767,400.14 = 206,396,134.65/x
  3. Step 3: Cross multiply
    357,158,403.22x = 492,767,400.14 × 206,396,134.65
  4. Step 4: Simplify right side
    357,158,403.22x = 101,705,286,670,167,888
  5. Step 5: Solve for x
    x = 101,705,286,670,167,888/357,158,403.22
  6. Step 6: Final answer
    x = 284,762,407.25

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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.