Finding the Fourth Proportional to 608,367,051.12, 839,546,973 and 329,908,504.08
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Solution
The fourth proportional to 608,367,051.12, 839,546,973 and 329,908,504.08 is: 455,273,975.57
Step by Step Solution
- Step 1: Write the proportion equation
608,367,051.12 : 839,546,973 = 329,908,504.08 : x - Step 2: Convert to fraction form
608,367,051.12/839,546,973 = 329,908,504.08/x - Step 3: Cross multiply
608,367,051.12x = 839,546,973 × 329,908,504.08 - Step 4: Simplify right side
608,367,051.12x = 276,973,685,967,322,144 - Step 5: Solve for x
x = 276,973,685,967,322,144/608,367,051.12 - Step 6: Final answer
x = 455,273,975.57
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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.