Finding the Fourth Proportional to 338,442,776.75, 466,879,135.11 and 221,036,831.03
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Solution
The fourth proportional to 338,442,776.75, 466,879,135.11 and 221,036,831.03 is: 304,918,561.09
Step by Step Solution
- Step 1: Write the proportion equation
338,442,776.75 : 466,879,135.11 = 221,036,831.03 : x - Step 2: Convert to fraction form
338,442,776.75/466,879,135.11 = 221,036,831.03/x - Step 3: Cross multiply
338,442,776.75x = 466,879,135.11 × 221,036,831.03 - Step 4: Simplify right side
338,442,776.75x = 103,197,484,496,407,216 - Step 5: Solve for x
x = 103,197,484,496,407,216/338,442,776.75 - Step 6: Final answer
x = 304,918,561.09
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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.