Finding the Fourth Proportional to 658,952,068.22, 988,485,549.21 and 216,161,988.02
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Solution
The fourth proportional to 658,952,068.22, 988,485,549.21 and 216,161,988.02 is: 324,261,826.84
Step by Step Solution
- Step 1: Write the proportion equation
658,952,068.22 : 988,485,549.21 = 216,161,988.02 : x - Step 2: Convert to fraction form
658,952,068.22/988,485,549.21 = 216,161,988.02/x - Step 3: Cross multiply
658,952,068.22x = 988,485,549.21 × 216,161,988.02 - Step 4: Simplify right side
658,952,068.22x = 213,673,001,441,332,704 - Step 5: Solve for x
x = 213,673,001,441,332,704/658,952,068.22 - Step 6: Final answer
x = 324,261,826.84
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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.