Finding the Fourth Proportional to 608,360,674.77, 839,537,954.35 and 329,902,124.49
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Solution
The fourth proportional to 608,360,674.77, 839,537,954.35 and 329,902,124.49 is: 455,265,052.81
Step by Step Solution
- Step 1: Write the proportion equation
608,360,674.77 : 839,537,954.35 = 329,902,124.49 : x - Step 2: Convert to fraction form
608,360,674.77/839,537,954.35 = 329,902,124.49/x - Step 3: Cross multiply
608,360,674.77x = 839,537,954.35 × 329,902,124.49 - Step 4: Simplify right side
608,360,674.77x = 276,965,354,725,855,968 - Step 5: Solve for x
x = 276,965,354,725,855,968/608,360,674.77 - Step 6: Final answer
x = 455,265,052.81
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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.