Finding the Fourth Proportional to 378,330,092.60, 567,658,972.13 and 203,248,848.06
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Solution
The fourth proportional to 378,330,092.60, 567,658,972.13 and 203,248,848.06 is: 304,961,287.60
Step by Step Solution
- Step 1: Write the proportion equation
378,330,092.60 : 567,658,972.13 = 203,248,848.06 : x - Step 2: Convert to fraction form
378,330,092.60/567,658,972.13 = 203,248,848.06/x - Step 3: Cross multiply
378,330,092.60x = 567,658,972.13 × 203,248,848.06 - Step 4: Simplify right side
378,330,092.60x = 115,376,032,175,329,904 - Step 5: Solve for x
x = 115,376,032,175,329,904/378,330,092.60 - Step 6: Final answer
x = 304,961,287.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.