Finding the Fourth Proportional to 3,280,237,159.72, 4,526,724,355.14 and 1,851,608,975.08
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Solution
The fourth proportional to 3,280,237,159.72, 4,526,724,355.14 and 1,851,608,975.08 is: 2,555,218,734.37
Step by Step Solution
- Step 1: Write the proportion equation
3,280,237,159.72 : 4,526,724,355.14 = 1,851,608,975.08 : x - Step 2: Convert to fraction form
3,280,237,159.72/4,526,724,355.14 = 1,851,608,975.08/x - Step 3: Cross multiply
3,280,237,159.72x = 4,526,724,355.14 × 1,851,608,975.08 - Step 4: Simplify right side
3,280,237,159.72x = 8,381,723,443,690,449,920 - Step 5: Solve for x
x = 8,381,723,443,690,449,920/3,280,237,159.72 - Step 6: Final answer
x = 2,555,218,734.37
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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.