Finding the Fourth Proportional to 1,090,110,522.20, 1,635,165,783.30 and 537,677,602.70
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Solution
The fourth proportional to 1,090,110,522.20, 1,635,165,783.30 and 537,677,602.70 is: 806,516,404.05
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,522.20 : 1,635,165,783.30 = 537,677,602.70 : x - Step 2: Convert to fraction form
1,090,110,522.20/1,635,165,783.30 = 537,677,602.70/x - Step 3: Cross multiply
1,090,110,522.20x = 1,635,165,783.30 × 537,677,602.70 - Step 4: Simplify right side
1,090,110,522.20x = 879,192,018,381,811,712 - Step 5: Solve for x
x = 879,192,018,381,811,712/1,090,110,522.20 - Step 6: Final answer
x = 806,516,404.05
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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.