Finding the Fourth Proportional to 3,280,237,006.34, 4,526,724,142.97 and 1,851,608,821.74
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Solution
The fourth proportional to 3,280,237,006.34, 4,526,724,142.97 and 1,851,608,821.74 is: 2,555,218,522.48
Step by Step Solution
- Step 1: Write the proportion equation
3,280,237,006.34 : 4,526,724,142.97 = 1,851,608,821.74 : x - Step 2: Convert to fraction form
3,280,237,006.34/4,526,724,142.97 = 1,851,608,821.74/x - Step 3: Cross multiply
3,280,237,006.34x = 4,526,724,142.97 × 1,851,608,821.74 - Step 4: Simplify right side
3,280,237,006.34x = 8,381,722,356,697,435,136 - Step 5: Solve for x
x = 8,381,722,356,697,435,136/3,280,237,006.34 - Step 6: Final answer
x = 2,555,218,522.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.