Finding the Fourth Proportional to 2,689,797,727.80, 4,034,696,591.70 and 944,970,636.60
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Solution
The fourth proportional to 2,689,797,727.80, 4,034,696,591.70 and 944,970,636.60 is: 1,417,455,954.90
Step by Step Solution
- Step 1: Write the proportion equation
2,689,797,727.80 : 4,034,696,591.70 = 944,970,636.60 : x - Step 2: Convert to fraction form
2,689,797,727.80/4,034,696,591.70 = 944,970,636.60/x - Step 3: Cross multiply
2,689,797,727.80x = 4,034,696,591.70 × 944,970,636.60 - Step 4: Simplify right side
2,689,797,727.80x = 3,812,669,806,746,599,424 - Step 5: Solve for x
x = 3,812,669,806,746,599,424/2,689,797,727.80 - Step 6: Final answer
x = 1,417,455,954.90
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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.