Finding the Fourth Proportional to 314,497,045.20, 471,745,567.80 and 290,310,574.80
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Solution
The fourth proportional to 314,497,045.20, 471,745,567.80 and 290,310,574.80 is: 435,465,862.20
Step by Step Solution
- Step 1: Write the proportion equation
314,497,045.20 : 471,745,567.80 = 290,310,574.80 : x - Step 2: Convert to fraction form
314,497,045.20/471,745,567.80 = 290,310,574.80/x - Step 3: Cross multiply
314,497,045.20x = 471,745,567.80 × 290,310,574.80 - Step 4: Simplify right side
314,497,045.20x = 136,952,726,947,370,384 - Step 5: Solve for x
x = 136,952,726,947,370,384/314,497,045.20 - Step 6: Final answer
x = 435,465,862.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.