Finding the Fourth Proportional to 3,042,123,226.99, 4,198,154,702.57 and 1,685,779,785.02
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Solution
The fourth proportional to 3,042,123,226.99, 4,198,154,702.57 and 1,685,779,785.02 is: 2,326,389,762.65
Step by Step Solution
- Step 1: Write the proportion equation
3,042,123,226.99 : 4,198,154,702.57 = 1,685,779,785.02 : x - Step 2: Convert to fraction form
3,042,123,226.99/4,198,154,702.57 = 1,685,779,785.02/x - Step 3: Cross multiply
3,042,123,226.99x = 4,198,154,702.57 × 1,685,779,785.02 - Step 4: Simplify right side
3,042,123,226.99x = 7,077,164,331,997,634,560 - Step 5: Solve for x
x = 7,077,164,331,997,634,560/3,042,123,226.99 - Step 6: Final answer
x = 2,326,389,762.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.