Finding the Fourth Proportional to 338,980,218.79, 508,626,705.97 and 154,804,154.62
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Solution
The fourth proportional to 338,980,218.79, 508,626,705.97 and 154,804,154.62 is: 232,277,645.92
Step by Step Solution
- Step 1: Write the proportion equation
338,980,218.79 : 508,626,705.97 = 154,804,154.62 : x - Step 2: Convert to fraction form
338,980,218.79/508,626,705.97 = 154,804,154.62/x - Step 3: Cross multiply
338,980,218.79x = 508,626,705.97 × 154,804,154.62 - Step 4: Simplify right side
338,980,218.79x = 78,737,527,232,298,032 - Step 5: Solve for x
x = 78,737,527,232,298,032/338,980,218.79 - Step 6: Final answer
x = 232,277,645.92
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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.