Finding the Fourth Proportional to 8,623,104,748.40, 12,934,657,122.60 and 4,704,896,543.60
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Solution
The fourth proportional to 8,623,104,748.40, 12,934,657,122.60 and 4,704,896,543.60 is: 7,057,344,815.40
Step by Step Solution
- Step 1: Write the proportion equation
8,623,104,748.40 : 12,934,657,122.60 = 4,704,896,543.60 : x - Step 2: Convert to fraction form
8,623,104,748.40/12,934,657,122.60 = 4,704,896,543.60/x - Step 3: Cross multiply
8,623,104,748.40x = 12,934,657,122.60 × 4,704,896,543.60 - Step 4: Simplify right side
8,623,104,748.40x = 60,856,223,588,771,864,576 - Step 5: Solve for x
x = 60,856,223,588,771,864,576/8,623,104,748.40 - Step 6: Final answer
x = 7,057,344,815.40
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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.