Finding the Fourth Proportional to 360,291,007.84, 497,247,637.76 and 201,529,953.76
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Solution
The fourth proportional to 360,291,007.84, 497,247,637.76 and 201,529,953.76 is: 278,137,092.70
Step by Step Solution
- Step 1: Write the proportion equation
360,291,007.84 : 497,247,637.76 = 201,529,953.76 : x - Step 2: Convert to fraction form
360,291,007.84/497,247,637.76 = 201,529,953.76/x - Step 3: Cross multiply
360,291,007.84x = 497,247,637.76 × 201,529,953.76 - Step 4: Simplify right side
360,291,007.84x = 100,210,293,445,042,016 - Step 5: Solve for x
x = 100,210,293,445,042,016/360,291,007.84 - Step 6: Final answer
x = 278,137,092.70
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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.