Finding the Fourth Proportional to 682,427,503,138.08, 941,296,496,809.68 and 438,864,905,972.64
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Solution
The fourth proportional to 682,427,503,138.08, 941,296,496,809.68 and 438,864,905,972.64 is: 605,341,954,515.53
Step by Step Solution
- Step 1: Write the proportion equation
682,427,503,138.08 : 941,296,496,809.68 = 438,864,905,972.64 : x - Step 2: Convert to fraction form
682,427,503,138.08/941,296,496,809.68 = 438,864,905,972.64/x - Step 3: Cross multiply
682,427,503,138.08x = 941,296,496,809.68 × 438,864,905,972.64 - Step 4: Simplify right side
682,427,503,138.08x = 413,101,998,564,755,711,721,472 - Step 5: Solve for x
x = 413,101,998,564,755,711,721,472/682,427,503,138.08 - Step 6: Final answer
x = 605,341,954,515.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.