Finding the Fourth Proportional to 4,086,467,136.23, 6,129,118,675.40 and 1,288,072,000.94
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Solution
The fourth proportional to 4,086,467,136.23, 6,129,118,675.40 and 1,288,072,000.94 is: 1,931,924,543.38
Step by Step Solution
- Step 1: Write the proportion equation
4,086,467,136.23 : 6,129,118,675.40 = 1,288,072,000.94 : x - Step 2: Convert to fraction form
4,086,467,136.23/6,129,118,675.40 = 1,288,072,000.94/x - Step 3: Cross multiply
4,086,467,136.23x = 6,129,118,675.40 × 1,288,072,000.94 - Step 4: Simplify right side
4,086,467,136.23x = 7,894,746,156,184,114,176 - Step 5: Solve for x
x = 7,894,746,156,184,114,176/4,086,467,136.23 - Step 6: Final answer
x = 1,931,924,543.38
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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.