Finding the Fourth Proportional to 1,574,679,205.80, 2,362,018,808.70 and 849,085,093.80
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Solution
The fourth proportional to 1,574,679,205.80, 2,362,018,808.70 and 849,085,093.80 is: 1,273,627,640.70
Step by Step Solution
- Step 1: Write the proportion equation
1,574,679,205.80 : 2,362,018,808.70 = 849,085,093.80 : x - Step 2: Convert to fraction form
1,574,679,205.80/2,362,018,808.70 = 849,085,093.80/x - Step 3: Cross multiply
1,574,679,205.80x = 2,362,018,808.70 × 849,085,093.80 - Step 4: Simplify right side
1,574,679,205.80x = 2,005,554,961,742,403,584 - Step 5: Solve for x
x = 2,005,554,961,742,403,584/1,574,679,205.80 - Step 6: Final answer
x = 1,273,627,640.70
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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.