Finding the Fourth Proportional to 460,719,282.78, 635,794,858.04 and 251,875,435.68
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Solution
The fourth proportional to 460,719,282.78, 635,794,858.04 and 251,875,435.68 is: 347,589,330.11
Step by Step Solution
- Step 1: Write the proportion equation
460,719,282.78 : 635,794,858.04 = 251,875,435.68 : x - Step 2: Convert to fraction form
460,719,282.78/635,794,858.04 = 251,875,435.68/x - Step 3: Cross multiply
460,719,282.78x = 635,794,858.04 × 251,875,435.68 - Step 4: Simplify right side
460,719,282.78x = 160,141,106,870,669,376 - Step 5: Solve for x
x = 160,141,106,870,669,376/460,719,282.78 - Step 6: Final answer
x = 347,589,330.11
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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.