Finding the Fourth Proportional to 806,786,953.98, 1,113,336,602.26 and 449,536,272.14
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Solution
The fourth proportional to 806,786,953.98, 1,113,336,602.26 and 449,536,272.14 is: 620,343,677.28
Step by Step Solution
- Step 1: Write the proportion equation
806,786,953.98 : 1,113,336,602.26 = 449,536,272.14 : x - Step 2: Convert to fraction form
806,786,953.98/1,113,336,602.26 = 449,536,272.14/x - Step 3: Cross multiply
806,786,953.98x = 1,113,336,602.26 × 449,536,272.14 - Step 4: Simplify right side
806,786,953.98x = 500,485,185,811,407,616 - Step 5: Solve for x
x = 500,485,185,811,407,616/806,786,953.98 - Step 6: Final answer
x = 620,343,677.28
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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.