Finding the Fourth Proportional to 1,105,199,712.99, 1,525,863,916.68 and 703,540,093.01
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Solution
The fourth proportional to 1,105,199,712.99, 1,525,863,916.68 and 703,540,093.01 is: 971,323,489.53
Step by Step Solution
- Step 1: Write the proportion equation
1,105,199,712.99 : 1,525,863,916.68 = 703,540,093.01 : x - Step 2: Convert to fraction form
1,105,199,712.99/1,525,863,916.68 = 703,540,093.01/x - Step 3: Cross multiply
1,105,199,712.99x = 1,525,863,916.68 × 703,540,093.01 - Step 4: Simplify right side
1,105,199,712.99x = 1,073,506,441,854,020,864 - Step 5: Solve for x
x = 1,073,506,441,854,020,864/1,105,199,712.99 - Step 6: Final answer
x = 971,323,489.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.