Finding the Fourth Proportional to 338,442,772.87, 466,879,129.77 and 221,036,827.15
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Solution
The fourth proportional to 338,442,772.87, 466,879,129.77 and 221,036,827.15 is: 304,918,555.75
Step by Step Solution
- Step 1: Write the proportion equation
338,442,772.87 : 466,879,129.77 = 221,036,827.15 : x - Step 2: Convert to fraction form
338,442,772.87/466,879,129.77 = 221,036,827.15/x - Step 3: Cross multiply
338,442,772.87x = 466,879,129.77 × 221,036,827.15 - Step 4: Simplify right side
338,442,772.87x = 103,197,481,506,913,904 - Step 5: Solve for x
x = 103,197,481,506,913,904/338,442,772.87 - Step 6: Final answer
x = 304,918,555.75
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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.