Finding the Fourth Proportional to 4,384,403,543.80, 6,576,605,315.70 and 3,454,594,370.20
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Solution
The fourth proportional to 4,384,403,543.80, 6,576,605,315.70 and 3,454,594,370.20 is: 5,181,891,555.30
Step by Step Solution
- Step 1: Write the proportion equation
4,384,403,543.80 : 6,576,605,315.70 = 3,454,594,370.20 : x - Step 2: Convert to fraction form
4,384,403,543.80/6,576,605,315.70 = 3,454,594,370.20/x - Step 3: Cross multiply
4,384,403,543.80x = 6,576,605,315.70 × 3,454,594,370.20 - Step 4: Simplify right side
4,384,403,543.80x = 22,719,503,698,644,611,072 - Step 5: Solve for x
x = 22,719,503,698,644,611,072/4,384,403,543.80 - Step 6: Final answer
x = 5,181,891,555.30
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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.