Finding the Fourth Proportional to 382,706,374.21, 573,593,188.52 and 198,372,225.13
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Solution
The fourth proportional to 382,706,374.21, 573,593,188.52 and 198,372,225.13 is: 297,316,597.77
Step by Step Solution
- Step 1: Write the proportion equation
382,706,374.21 : 573,593,188.52 = 198,372,225.13 : x - Step 2: Convert to fraction form
382,706,374.21/573,593,188.52 = 198,372,225.13/x - Step 3: Cross multiply
382,706,374.21x = 573,593,188.52 × 198,372,225.13 - Step 4: Simplify right side
382,706,374.21x = 113,784,957,125,132,112 - Step 5: Solve for x
x = 113,784,957,125,132,112/382,706,374.21 - Step 6: Final answer
x = 297,316,597.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.