Finding the Fourth Proportional to 303,368,590.12, 418,529,531.90 and 176,187,617.61
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Solution
The fourth proportional to 303,368,590.12, 418,529,531.90 and 176,187,617.61 is: 243,069,729.45
Step by Step Solution
- Step 1: Write the proportion equation
303,368,590.12 : 418,529,531.90 = 176,187,617.61 : x - Step 2: Convert to fraction form
303,368,590.12/418,529,531.90 = 176,187,617.61/x - Step 3: Cross multiply
303,368,590.12x = 418,529,531.90 × 176,187,617.61 - Step 4: Simplify right side
303,368,590.12x = 73,739,721,124,889,504 - Step 5: Solve for x
x = 73,739,721,124,889,504/303,368,590.12 - Step 6: Final answer
x = 243,069,729.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.