Finding the Fourth Proportional to 955,448,613,925.98, 1,318,519,036,792.20 and 515,985,955,862.04
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Solution
The fourth proportional to 955,448,613,925.98, 1,318,519,036,792.20 and 515,985,955,862.04 is: 712,060,591,857.46
Step by Step Solution
- Step 1: Write the proportion equation
955,448,613,925.98 : 1,318,519,036,792.20 = 515,985,955,862.04 : x - Step 2: Convert to fraction form
955,448,613,925.98/1,318,519,036,792.20 = 515,985,955,862.04/x - Step 3: Cross multiply
955,448,613,925.98x = 1,318,519,036,792.20 × 515,985,955,862.04 - Step 4: Simplify right side
955,448,613,925.98x = 680,337,305,521,519,555,772,416 - Step 5: Solve for x
x = 680,337,305,521,519,555,772,416/955,448,613,925.98 - Step 6: Final answer
x = 712,060,591,857.46
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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.