Finding the Fourth Proportional to 318,724,683.74, 478,226,086.08 and 111,611,745.98
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Solution
The fourth proportional to 318,724,683.74, 478,226,086.08 and 111,611,745.98 is: 167,466,315.49
Step by Step Solution
- Step 1: Write the proportion equation
318,724,683.74 : 478,226,086.08 = 111,611,745.98 : x - Step 2: Convert to fraction form
318,724,683.74/478,226,086.08 = 111,611,745.98/x - Step 3: Cross multiply
318,724,683.74x = 478,226,086.08 × 111,611,745.98 - Step 4: Simplify right side
318,724,683.74x = 53,375,648,440,570,576 - Step 5: Solve for x
x = 53,375,648,440,570,576/318,724,683.74 - Step 6: Final answer
x = 167,466,315.49
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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.