Finding the Fourth Proportional to 481,624,690.22, 664,697,207.84 and 269,988,681.07
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Solution
The fourth proportional to 481,624,690.22, 664,697,207.84 and 269,988,681.07 is: 372,615,287.59
Step by Step Solution
- Step 1: Write the proportion equation
481,624,690.22 : 664,697,207.84 = 269,988,681.07 : x - Step 2: Convert to fraction form
481,624,690.22/664,697,207.84 = 269,988,681.07/x - Step 3: Cross multiply
481,624,690.22x = 664,697,207.84 × 269,988,681.07 - Step 4: Simplify right side
481,624,690.22x = 179,460,722,455,633,280 - Step 5: Solve for x
x = 179,460,722,455,633,280/481,624,690.22 - Step 6: Final answer
x = 372,615,287.59
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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.