Finding the Fourth Proportional to 1,515,591,036.79, 2,273,386,555.18 and 699,297,660.79
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Solution
The fourth proportional to 1,515,591,036.79, 2,273,386,555.18 and 699,297,660.79 is: 1,048,946,491.18
Step by Step Solution
- Step 1: Write the proportion equation
1,515,591,036.79 : 2,273,386,555.18 = 699,297,660.79 : x - Step 2: Convert to fraction form
1,515,591,036.79/2,273,386,555.18 = 699,297,660.79/x - Step 3: Cross multiply
1,515,591,036.79x = 2,273,386,555.18 × 699,297,660.79 - Step 4: Simplify right side
1,515,591,036.79x = 1,589,773,900,103,965,952 - Step 5: Solve for x
x = 1,589,773,900,103,965,952/1,515,591,036.79 - Step 6: Final answer
x = 1,048,946,491.18
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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.