Finding the Fourth Proportional to 4,384,411,147.60, 6,576,616,721.40 and 2,989,697,387.20
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Solution
The fourth proportional to 4,384,411,147.60, 6,576,616,721.40 and 2,989,697,387.20 is: 4,484,546,080.80
Step by Step Solution
- Step 1: Write the proportion equation
4,384,411,147.60 : 6,576,616,721.40 = 2,989,697,387.20 : x - Step 2: Convert to fraction form
4,384,411,147.60/6,576,616,721.40 = 2,989,697,387.20/x - Step 3: Cross multiply
4,384,411,147.60x = 6,576,616,721.40 × 2,989,697,387.20 - Step 4: Simplify right side
4,384,411,147.60x = 19,662,093,828,585,406,464 - Step 5: Solve for x
x = 19,662,093,828,585,406,464/4,384,411,147.60 - Step 6: Final answer
x = 4,484,546,080.80
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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.