Finding the Fourth Proportional to 1,165,119,168.96, 1,747,693,898.58 and 388,764,829.67
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Solution
The fourth proportional to 1,165,119,168.96, 1,747,693,898.58 and 388,764,829.67 is: 583,152,297.98
Step by Step Solution
- Step 1: Write the proportion equation
1,165,119,168.96 : 1,747,693,898.58 = 388,764,829.67 : x - Step 2: Convert to fraction form
1,165,119,168.96/1,747,693,898.58 = 388,764,829.67/x - Step 3: Cross multiply
1,165,119,168.96x = 1,747,693,898.58 × 388,764,829.67 - Step 4: Simplify right side
1,165,119,168.96x = 679,441,920,796,752,000 - Step 5: Solve for x
x = 679,441,920,796,752,000/1,165,119,168.96 - Step 6: Final answer
x = 583,152,297.98
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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.