Finding the Fourth Proportional to 393,610,530.71, 543,179,302.98 and 214,994,533.06
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Solution
The fourth proportional to 393,610,530.71, 543,179,302.98 and 214,994,533.06 is: 296,690,691.69
Step by Step Solution
- Step 1: Write the proportion equation
393,610,530.71 : 543,179,302.98 = 214,994,533.06 : x - Step 2: Convert to fraction form
393,610,530.71/543,179,302.98 = 214,994,533.06/x - Step 3: Cross multiply
393,610,530.71x = 543,179,302.98 × 214,994,533.06 - Step 4: Simplify right side
393,610,530.71x = 116,780,580,612,041,376 - Step 5: Solve for x
x = 116,780,580,612,041,376/393,610,530.71 - Step 6: Final answer
x = 296,690,691.69
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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.