Finding the Fourth Proportional to 1,038,348,272.11, 1,557,526,401.75 and 251,400,614.02
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Solution
The fourth proportional to 1,038,348,272.11, 1,557,526,401.75 and 251,400,614.02 is: 377,101,887.94
Step by Step Solution
- Step 1: Write the proportion equation
1,038,348,272.11 : 1,557,526,401.75 = 251,400,614.02 : x - Step 2: Convert to fraction form
1,038,348,272.11/1,557,526,401.75 = 251,400,614.02/x - Step 3: Cross multiply
1,038,348,272.11x = 1,557,526,401.75 × 251,400,614.02 - Step 4: Simplify right side
1,038,348,272.11x = 391,563,093,751,682,688 - Step 5: Solve for x
x = 391,563,093,751,682,688/1,038,348,272.11 - Step 6: Final answer
x = 377,101,887.94
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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.