Finding the Fourth Proportional to 386,396,483,651.36, 579,859,476,204.55 and 134,857,677,663.08
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Solution
The fourth proportional to 386,396,483,651.36, 579,859,476,204.55 and 134,857,677,663.08 is: 202,378,918,133.31
Step by Step Solution
- Step 1: Write the proportion equation
386,396,483,651.36 : 579,859,476,204.55 = 134,857,677,663.08 : x - Step 2: Convert to fraction form
386,396,483,651.36/579,859,476,204.55 = 134,857,677,663.08/x - Step 3: Cross multiply
386,396,483,651.36x = 579,859,476,204.55 × 134,857,677,663.08 - Step 4: Simplify right side
386,396,483,651.36x = 78,198,502,331,875,623,698,432 - Step 5: Solve for x
x = 78,198,502,331,875,623,698,432/386,396,483,651.36 - Step 6: Final answer
x = 202,378,918,133.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.