Finding the Fourth Proportional to 4,954,773,985.21, 6,837,587,717.40 and 2,696,729,703.31
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Solution
The fourth proportional to 4,954,773,985.21, 6,837,587,717.40 and 2,696,729,703.31 is: 3,721,486,782.55
Step by Step Solution
- Step 1: Write the proportion equation
4,954,773,985.21 : 6,837,587,717.40 = 2,696,729,703.31 : x - Step 2: Convert to fraction form
4,954,773,985.21/6,837,587,717.40 = 2,696,729,703.31/x - Step 3: Cross multiply
4,954,773,985.21x = 6,837,587,717.40 × 2,696,729,703.31 - Step 4: Simplify right side
4,954,773,985.21x = 18,439,125,896,452,530,176 - Step 5: Solve for x
x = 18,439,125,896,452,530,176/4,954,773,985.21 - Step 6: Final answer
x = 3,721,486,782.55
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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.