Finding the Fourth Proportional to 1,745,689,214.20, 2,618,533,821.30 and 1,556,283,641.80
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Solution
The fourth proportional to 1,745,689,214.20, 2,618,533,821.30 and 1,556,283,641.80 is: 2,334,425,462.70
Step by Step Solution
- Step 1: Write the proportion equation
1,745,689,214.20 : 2,618,533,821.30 = 1,556,283,641.80 : x - Step 2: Convert to fraction form
1,745,689,214.20/2,618,533,821.30 = 1,556,283,641.80/x - Step 3: Cross multiply
1,745,689,214.20x = 2,618,533,821.30 × 1,556,283,641.80 - Step 4: Simplify right side
1,745,689,214.20x = 4,075,181,351,589,234,688 - Step 5: Solve for x
x = 4,075,181,351,589,234,688/1,745,689,214.20 - Step 6: Final answer
x = 2,334,425,462.70
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1.5x scale
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.