Finding the Fourth Proportional to 338,666,886.84, 467,560,672.08 and 213,326,520.93
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Solution
The fourth proportional to 338,666,886.84, 467,560,672.08 and 213,326,520.93 is: 294,516,810.99
Step by Step Solution
- Step 1: Write the proportion equation
338,666,886.84 : 467,560,672.08 = 213,326,520.93 : x - Step 2: Convert to fraction form
338,666,886.84/467,560,672.08 = 213,326,520.93/x - Step 3: Cross multiply
338,666,886.84x = 467,560,672.08 × 213,326,520.93 - Step 4: Simplify right side
338,666,886.84x = 99,743,091,498,518,992 - Step 5: Solve for x
x = 99,743,091,498,518,992/338,666,886.84 - Step 6: Final answer
x = 294,516,810.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.