Finding the Fourth Proportional to 643,808,314.06, 888,404,818.96 and 365,349,836.68
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Solution
The fourth proportional to 643,808,314.06, 888,404,818.96 and 365,349,836.68 is: 504,154,029.12
Step by Step Solution
- Step 1: Write the proportion equation
643,808,314.06 : 888,404,818.96 = 365,349,836.68 : x - Step 2: Convert to fraction form
643,808,314.06/888,404,818.96 = 365,349,836.68/x - Step 3: Cross multiply
643,808,314.06x = 888,404,818.96 × 365,349,836.68 - Step 4: Simplify right side
643,808,314.06x = 324,578,555,512,760,960 - Step 5: Solve for x
x = 324,578,555,512,760,960/643,808,314.06 - Step 6: Final answer
x = 504,154,029.12
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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.