Finding the Fourth Proportional to 1,188,348,809.46, 1,782,728,673.95 and 401,408,193.13
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Solution
The fourth proportional to 1,188,348,809.46, 1,782,728,673.95 and 401,408,193.13 is: 602,181,691.23
Step by Step Solution
- Step 1: Write the proportion equation
1,188,348,809.46 : 1,782,728,673.95 = 401,408,193.13 : x - Step 2: Convert to fraction form
1,188,348,809.46/1,782,728,673.95 = 401,408,193.13/x - Step 3: Cross multiply
1,188,348,809.46x = 1,782,728,673.95 × 401,408,193.13 - Step 4: Simplify right side
1,188,348,809.46x = 715,601,895,851,782,784 - Step 5: Solve for x
x = 715,601,895,851,782,784/1,188,348,809.46 - Step 6: Final answer
x = 602,181,691.23
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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.