Finding the Fourth Proportional to 4,253,602,161.74, 5,864,514,464.34 and 3,487,824,909.99
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Solution
The fourth proportional to 4,253,602,161.74, 5,864,514,464.34 and 3,487,824,909.99 is: 4,808,724,195.63
Step by Step Solution
- Step 1: Write the proportion equation
4,253,602,161.74 : 5,864,514,464.34 = 3,487,824,909.99 : x - Step 2: Convert to fraction form
4,253,602,161.74/5,864,514,464.34 = 3,487,824,909.99/x - Step 3: Cross multiply
4,253,602,161.74x = 5,864,514,464.34 × 3,487,824,909.99 - Step 4: Simplify right side
4,253,602,161.74x = 20,454,399,633,721,712,640 - Step 5: Solve for x
x = 20,454,399,633,721,712,640/4,253,602,161.74 - Step 6: Final answer
x = 4,808,724,195.63
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1.5x scale
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.