Finding the Fourth Proportional to 338,998,662.97, 508,522,656.87 and 142,064,398.42
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Solution
The fourth proportional to 338,998,662.97, 508,522,656.87 and 142,064,398.42 is: 213,106,932.92
Step by Step Solution
- Step 1: Write the proportion equation
338,998,662.97 : 508,522,656.87 = 142,064,398.42 : x - Step 2: Convert to fraction form
338,998,662.97/508,522,656.87 = 142,064,398.42/x - Step 3: Cross multiply
338,998,662.97x = 508,522,656.87 × 142,064,398.42 - Step 4: Simplify right side
338,998,662.97x = 72,242,965,331,176,624 - Step 5: Solve for x
x = 72,242,965,331,176,624/338,998,662.97 - Step 6: Final answer
x = 213,106,932.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.