Finding the Fourth Proportional to 1,226,836,042.60, 1,840,206,824.70 and 408,948,343.60
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Solution
The fourth proportional to 1,226,836,042.60, 1,840,206,824.70 and 408,948,343.60 is: 613,406,768.88
Step by Step Solution
- Step 1: Write the proportion equation
1,226,836,042.60 : 1,840,206,824.70 = 408,948,343.60 : x - Step 2: Convert to fraction form
1,226,836,042.60/1,840,206,824.70 = 408,948,343.60/x - Step 3: Cross multiply
1,226,836,042.60x = 1,840,206,824.70 × 408,948,343.60 - Step 4: Simplify right side
1,226,836,042.60x = 752,549,532,842,480,640 - Step 5: Solve for x
x = 752,549,532,842,480,640/1,226,836,042.60 - Step 6: Final answer
x = 613,406,768.88
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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.