Finding the Fourth Proportional to 378,590,507.04, 522,455,248.08 and 204,750,251.04
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Solution
The fourth proportional to 378,590,507.04, 522,455,248.08 and 204,750,251.04 is: 282,555,534.84
Step by Step Solution
- Step 1: Write the proportion equation
378,590,507.04 : 522,455,248.08 = 204,750,251.04 : x - Step 2: Convert to fraction form
378,590,507.04/522,455,248.08 = 204,750,251.04/x - Step 3: Cross multiply
378,590,507.04x = 522,455,248.08 × 204,750,251.04 - Step 4: Simplify right side
378,590,507.04x = 106,972,843,201,545,472 - Step 5: Solve for x
x = 106,972,843,201,545,472/378,590,507.04 - Step 6: Final answer
x = 282,555,534.84
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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.