Finding the Fourth Proportional to 4,849,205,452.20, 7,273,808,178.30 and 3,686,943,985.20
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Solution
The fourth proportional to 4,849,205,452.20, 7,273,808,178.30 and 3,686,943,985.20 is: 5,530,415,977.80
Step by Step Solution
- Step 1: Write the proportion equation
4,849,205,452.20 : 7,273,808,178.30 = 3,686,943,985.20 : x - Step 2: Convert to fraction form
4,849,205,452.20/7,273,808,178.30 = 3,686,943,985.20/x - Step 3: Cross multiply
4,849,205,452.20x = 7,273,808,178.30 × 3,686,943,985.20 - Step 4: Simplify right side
4,849,205,452.20x = 26,818,123,312,481,755,136 - Step 5: Solve for x
x = 26,818,123,312,481,755,136/4,849,205,452.20 - Step 6: Final answer
x = 5,530,415,977.80
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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.