Home / 450,190,711.69-621,328,429.37-259,414,613.52

Finding the Fourth Proportional to 450,190,711.69, 621,328,429.37 and 259,414,613.52

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Solution

The fourth proportional to 450,190,711.69, 621,328,429.37 and 259,414,613.52 is: 358,029,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,190,711.69 : 621,328,429.37 = 259,414,613.52 : x
  2. Step 2: Convert to fraction form
    450,190,711.69/621,328,429.37 = 259,414,613.52/x
  3. Step 3: Cross multiply
    450,190,711.69x = 621,328,429.37 × 259,414,613.52
  4. Step 4: Simplify right side
    450,190,711.69x = 161,181,674,374,007,168
  5. Step 5: Solve for x
    x = 161,181,674,374,007,168/450,190,711.69
  6. Step 6: Final answer
    x = 358,029,764.25

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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.