Finding the Fourth Proportional to 328,729,224.67, 453,646,574.62 and 178,023,050.31
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Solution
The fourth proportional to 328,729,224.67, 453,646,574.62 and 178,023,050.31 is: 245,671,941.88
Step by Step Solution
- Step 1: Write the proportion equation
328,729,224.67 : 453,646,574.62 = 178,023,050.31 : x - Step 2: Convert to fraction form
328,729,224.67/453,646,574.62 = 178,023,050.31/x - Step 3: Cross multiply
328,729,224.67x = 453,646,574.62 × 178,023,050.31 - Step 4: Simplify right side
328,729,224.67x = 80,759,546,976,535,424 - Step 5: Solve for x
x = 80,759,546,976,535,424/328,729,224.67 - Step 6: Final answer
x = 245,671,941.88
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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.