Finding the Fourth Proportional to 1,782,386,349.39, 2,672,489,394.27 and 849,994,372.53
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Solution
The fourth proportional to 1,782,386,349.39, 2,672,489,394.27 and 849,994,372.53 is: 1,274,471,691.59
Step by Step Solution
- Step 1: Write the proportion equation
1,782,386,349.39 : 2,672,489,394.27 = 849,994,372.53 : x - Step 2: Convert to fraction form
1,782,386,349.39/2,672,489,394.27 = 849,994,372.53/x - Step 3: Cross multiply
1,782,386,349.39x = 2,672,489,394.27 × 849,994,372.53 - Step 4: Simplify right side
1,782,386,349.39x = 2,271,600,945,775,608,320 - Step 5: Solve for x
x = 2,271,600,945,775,608,320/1,782,386,349.39 - Step 6: Final answer
x = 1,274,471,691.59
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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.