Finding the Fourth Proportional to 2,018,552,195.04, 3,027,808,107.12 and 638,366,938.08
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Solution
The fourth proportional to 2,018,552,195.04, 3,027,808,107.12 and 638,366,938.08 is: 957,544,023.48
Step by Step Solution
- Step 1: Write the proportion equation
2,018,552,195.04 : 3,027,808,107.12 = 638,366,938.08 : x - Step 2: Convert to fraction form
2,018,552,195.04/3,027,808,107.12 = 638,366,938.08/x - Step 3: Cross multiply
2,018,552,195.04x = 3,027,808,107.12 × 638,366,938.08 - Step 4: Simplify right side
2,018,552,195.04x = 1,932,852,590,435,995,136 - Step 5: Solve for x
x = 1,932,852,590,435,995,136/2,018,552,195.04 - Step 6: Final answer
x = 957,544,023.48
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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.