Finding the Fourth Proportional to 2,438,899,538.23, 3,365,681,357.84 and 1,381,627,508.99
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Solution
The fourth proportional to 2,438,899,538.23, 3,365,681,357.84 and 1,381,627,508.99 is: 1,906,645,959.62
Step by Step Solution
- Step 1: Write the proportion equation
2,438,899,538.23 : 3,365,681,357.84 = 1,381,627,508.99 : x - Step 2: Convert to fraction form
2,438,899,538.23/3,365,681,357.84 = 1,381,627,508.99/x - Step 3: Cross multiply
2,438,899,538.23x = 3,365,681,357.84 × 1,381,627,508.99 - Step 4: Simplify right side
2,438,899,538.23x = 4,650,117,950,479,651,840 - Step 5: Solve for x
x = 4,650,117,950,479,651,840/2,438,899,538.23 - Step 6: Final answer
x = 1,906,645,959.62
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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.