Finding the Fourth Proportional to 3,764,720,888.40, 5,647,081,332.60 and 1,698,478,280.40
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Solution
The fourth proportional to 3,764,720,888.40, 5,647,081,332.60 and 1,698,478,280.40 is: 2,547,717,420.60
Step by Step Solution
- Step 1: Write the proportion equation
3,764,720,888.40 : 5,647,081,332.60 = 1,698,478,280.40 : x - Step 2: Convert to fraction form
3,764,720,888.40/5,647,081,332.60 = 1,698,478,280.40/x - Step 3: Cross multiply
3,764,720,888.40x = 5,647,081,332.60 × 1,698,478,280.40 - Step 4: Simplify right side
3,764,720,888.40x = 9,591,444,991,073,390,592 - Step 5: Solve for x
x = 9,591,444,991,073,390,592/3,764,720,888.40 - Step 6: Final answer
x = 2,547,717,420.60
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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.