Finding the Fourth Proportional to 438,503,026.68, 657,754,543.26 and 147,370,153.68
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Solution
The fourth proportional to 438,503,026.68, 657,754,543.26 and 147,370,153.68 is: 221,055,231.61
Step by Step Solution
- Step 1: Write the proportion equation
438,503,026.68 : 657,754,543.26 = 147,370,153.68 : x - Step 2: Convert to fraction form
438,503,026.68/657,754,543.26 = 147,370,153.68/x - Step 3: Cross multiply
438,503,026.68x = 657,754,543.26 × 147,370,153.68 - Step 4: Simplify right side
438,503,026.68x = 96,933,388,123,944,416 - Step 5: Solve for x
x = 96,933,388,123,944,416/438,503,026.68 - Step 6: Final answer
x = 221,055,231.61
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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.