Finding the Fourth Proportional to 4,490,934,920.52, 6,199,398,451.45 and 2,798,225,883.99
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Solution
The fourth proportional to 4,490,934,920.52, 6,199,398,451.45 and 2,798,225,883.99 is: 3,862,740,725.27
Step by Step Solution
- Step 1: Write the proportion equation
4,490,934,920.52 : 6,199,398,451.45 = 2,798,225,883.99 : x - Step 2: Convert to fraction form
4,490,934,920.52/6,199,398,451.45 = 2,798,225,883.99/x - Step 3: Cross multiply
4,490,934,920.52x = 6,199,398,451.45 × 2,798,225,883.99 - Step 4: Simplify right side
4,490,934,920.52x = 17,347,317,212,036,528,128 - Step 5: Solve for x
x = 17,347,317,212,036,528,128/4,490,934,920.52 - Step 6: Final answer
x = 3,862,740,725.27
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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.