Finding the Fourth Proportional to 991,676,895,842.92, 1,486,823,748,374.20 and 439,395,552,975.02
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Solution
The fourth proportional to 991,676,895,842.92, 1,486,823,748,374.20 and 439,395,552,975.02 is: 658,786,895,037.99
Step by Step Solution
- Step 1: Write the proportion equation
991,676,895,842.92 : 1,486,823,748,374.20 = 439,395,552,975.02 : x - Step 2: Convert to fraction form
991,676,895,842.92/1,486,823,748,374.20 = 439,395,552,975.02/x - Step 3: Cross multiply
991,676,895,842.92x = 1,486,823,748,374.20 × 439,395,552,975.02 - Step 4: Simplify right side
991,676,895,842.92x = 653,303,743,093,273,643,712,512 - Step 5: Solve for x
x = 653,303,743,093,273,643,712,512/991,676,895,842.92 - Step 6: Final answer
x = 658,786,895,037.99
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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.