Finding the Fourth Proportional to 4,697,421,658.57, 7,041,478,270.96 and 2,205,822,377.98
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Solution
The fourth proportional to 4,697,421,658.57, 7,041,478,270.96 and 2,205,822,377.98 is: 3,306,548,032.75
Step by Step Solution
- Step 1: Write the proportion equation
4,697,421,658.57 : 7,041,478,270.96 = 2,205,822,377.98 : x - Step 2: Convert to fraction form
4,697,421,658.57/7,041,478,270.96 = 2,205,822,377.98/x - Step 3: Cross multiply
4,697,421,658.57x = 7,041,478,270.96 × 2,205,822,377.98 - Step 4: Simplify right side
4,697,421,658.57x = 15,532,250,344,143,486,976 - Step 5: Solve for x
x = 15,532,250,344,143,486,976/4,697,421,658.57 - Step 6: Final answer
x = 3,306,548,032.75
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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.