Finding the Fourth Proportional to 2,859,355,014.78, 4,286,576,115.96 and 993,758,349.99
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Solution
The fourth proportional to 2,859,355,014.78, 4,286,576,115.96 and 993,758,349.99 is: 1,489,783,810.01
Step by Step Solution
- Step 1: Write the proportion equation
2,859,355,014.78 : 4,286,576,115.96 = 993,758,349.99 : x - Step 2: Convert to fraction form
2,859,355,014.78/4,286,576,115.96 = 993,758,349.99/x - Step 3: Cross multiply
2,859,355,014.78x = 4,286,576,115.96 × 993,758,349.99 - Step 4: Simplify right side
2,859,355,014.78x = 4,259,820,808,102,952,448 - Step 5: Solve for x
x = 4,259,820,808,102,952,448/2,859,355,014.78 - Step 6: Final answer
x = 1,489,783,810.01
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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.