Finding the Fourth Proportional to 442,637,986.20, 664,382,132.10 and 224,534,599.80
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Solution
The fourth proportional to 442,637,986.20, 664,382,132.10 and 224,534,599.80 is: 337,017,564.68
Step by Step Solution
- Step 1: Write the proportion equation
442,637,986.20 : 664,382,132.10 = 224,534,599.80 : x - Step 2: Convert to fraction form
442,637,986.20/664,382,132.10 = 224,534,599.80/x - Step 3: Cross multiply
442,637,986.20x = 664,382,132.10 × 224,534,599.80 - Step 4: Simplify right side
442,637,986.20x = 149,176,776,145,344,256 - Step 5: Solve for x
x = 149,176,776,145,344,256/442,637,986.20 - Step 6: Final answer
x = 337,017,564.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.