Finding the Fourth Proportional to 5,205,090,938.74, 7,183,025,495.46 and 2,977,423,126.99
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Solution
The fourth proportional to 5,205,090,938.74, 7,183,025,495.46 and 2,977,423,126.99 is: 4,108,843,915.24
Step by Step Solution
- Step 1: Write the proportion equation
5,205,090,938.74 : 7,183,025,495.46 = 2,977,423,126.99 : x - Step 2: Convert to fraction form
5,205,090,938.74/7,183,025,495.46 = 2,977,423,126.99/x - Step 3: Cross multiply
5,205,090,938.74x = 7,183,025,495.46 × 2,977,423,126.99 - Step 4: Simplify right side
5,205,090,938.74x = 21,386,906,231,890,604,032 - Step 5: Solve for x
x = 21,386,906,231,890,604,032/5,205,090,938.74 - Step 6: Final answer
x = 4,108,843,915.24
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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.