Finding the Fourth Proportional to 379,563,072.19, 569,369,589.35 and 99,450,845.44
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Solution
The fourth proportional to 379,563,072.19, 569,369,589.35 and 99,450,845.44 is: 149,182,813.55
Step by Step Solution
- Step 1: Write the proportion equation
379,563,072.19 : 569,369,589.35 = 99,450,845.44 : x - Step 2: Convert to fraction form
379,563,072.19/569,369,589.35 = 99,450,845.44/x - Step 3: Cross multiply
379,563,072.19x = 569,369,589.35 × 99,450,845.44 - Step 4: Simplify right side
379,563,072.19x = 56,624,287,029,064,064 - Step 5: Solve for x
x = 56,624,287,029,064,064/379,563,072.19 - Step 6: Final answer
x = 149,182,813.55
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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.