Finding the Fourth Proportional to 1,104,620,422.64, 1,524,408,501.20 and 602,861,388.68
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Solution
The fourth proportional to 1,104,620,422.64, 1,524,408,501.20 and 602,861,388.68 is: 831,966,354.34
Step by Step Solution
- Step 1: Write the proportion equation
1,104,620,422.64 : 1,524,408,501.20 = 602,861,388.68 : x - Step 2: Convert to fraction form
1,104,620,422.64/1,524,408,501.20 = 602,861,388.68/x - Step 3: Cross multiply
1,104,620,422.64x = 1,524,408,501.20 × 602,861,388.68 - Step 4: Simplify right side
1,104,620,422.64x = 919,007,025,949,029,376 - Step 5: Solve for x
x = 919,007,025,949,029,376/1,104,620,422.64 - Step 6: Final answer
x = 831,966,354.34
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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.