Finding the Fourth Proportional to 302,781,428.19, 417,838,553.94 and 163,552,251.47
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Solution
The fourth proportional to 302,781,428.19, 417,838,553.94 and 163,552,251.47 is: 225,702,205.89
Step by Step Solution
- Step 1: Write the proportion equation
302,781,428.19 : 417,838,553.94 = 163,552,251.47 : x - Step 2: Convert to fraction form
302,781,428.19/417,838,553.94 = 163,552,251.47/x - Step 3: Cross multiply
302,781,428.19x = 417,838,553.94 × 163,552,251.47 - Step 4: Simplify right side
302,781,428.19x = 68,338,436,245,766,848 - Step 5: Solve for x
x = 68,338,436,245,766,848/302,781,428.19 - Step 6: Final answer
x = 225,702,205.89
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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.