Finding the Fourth Proportional to 4,482,214,114.80, 6,723,321,172.20 and 1,376,791,775.40
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Solution
The fourth proportional to 4,482,214,114.80, 6,723,321,172.20 and 1,376,791,775.40 is: 2,065,187,663.10
Step by Step Solution
- Step 1: Write the proportion equation
4,482,214,114.80 : 6,723,321,172.20 = 1,376,791,775.40 : x - Step 2: Convert to fraction form
4,482,214,114.80/6,723,321,172.20 = 1,376,791,775.40/x - Step 3: Cross multiply
4,482,214,114.80x = 6,723,321,172.20 × 1,376,791,775.40 - Step 4: Simplify right side
4,482,214,114.80x = 9,256,613,293,257,648,128 - Step 5: Solve for x
x = 9,256,613,293,257,648,128/4,482,214,114.80 - Step 6: Final answer
x = 2,065,187,663.10
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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.