Finding the Fourth Proportional to 389,093,516.64, 536,896,023.98 and 232,427,367.18
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Solution
The fourth proportional to 389,093,516.64, 536,896,023.98 and 232,427,367.18 is: 320,718,089.52
Step by Step Solution
- Step 1: Write the proportion equation
389,093,516.64 : 536,896,023.98 = 232,427,367.18 : x - Step 2: Convert to fraction form
389,093,516.64/536,896,023.98 = 232,427,367.18/x - Step 3: Cross multiply
389,093,516.64x = 536,896,023.98 × 232,427,367.18 - Step 4: Simplify right side
389,093,516.64x = 124,789,329,301,919,424 - Step 5: Solve for x
x = 124,789,329,301,919,424/389,093,516.64 - Step 6: Final answer
x = 320,718,089.52
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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.