Finding the Fourth Proportional to 939,439,092,782.80, 1,408,581,935,676.10 and 365,084,578,465.99
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Solution
The fourth proportional to 939,439,092,782.80, 1,408,581,935,676.10 and 365,084,578,465.99 is: 547,402,749,333.97
Step by Step Solution
- Step 1: Write the proportion equation
939,439,092,782.80 : 1,408,581,935,676.10 = 365,084,578,465.99 : x - Step 2: Convert to fraction form
939,439,092,782.80/1,408,581,935,676.10 = 365,084,578,465.99/x - Step 3: Cross multiply
939,439,092,782.80x = 1,408,581,935,676.10 × 365,084,578,465.99 - Step 4: Simplify right side
939,439,092,782.80x = 514,251,542,221,117,255,057,408 - Step 5: Solve for x
x = 514,251,542,221,117,255,057,408/939,439,092,782.80 - Step 6: Final answer
x = 547,402,749,333.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.