Finding the Fourth Proportional to 384,374,449.80, 576,561,674.70 and 97,160,113.80
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Solution
The fourth proportional to 384,374,449.80, 576,561,674.70 and 97,160,113.80 is: 145,740,170.70
Step by Step Solution
- Step 1: Write the proportion equation
384,374,449.80 : 576,561,674.70 = 97,160,113.80 : x - Step 2: Convert to fraction form
384,374,449.80/576,561,674.70 = 97,160,113.80/x - Step 3: Cross multiply
384,374,449.80x = 576,561,674.70 × 97,160,113.80 - Step 4: Simplify right side
384,374,449.80x = 56,018,797,926,570,584 - Step 5: Solve for x
x = 56,018,797,926,570,584/384,374,449.80 - Step 6: Final answer
x = 145,740,170.70
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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.