Finding the Fourth Proportional to 1,090,110,493.20, 1,635,165,739.80 and 537,677,573.70
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Solution
The fourth proportional to 1,090,110,493.20, 1,635,165,739.80 and 537,677,573.70 is: 806,516,360.55
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,493.20 : 1,635,165,739.80 = 537,677,573.70 : x - Step 2: Convert to fraction form
1,090,110,493.20/1,635,165,739.80 = 537,677,573.70/x - Step 3: Cross multiply
1,090,110,493.20x = 1,635,165,739.80 × 537,677,573.70 - Step 4: Simplify right side
1,090,110,493.20x = 879,191,947,573,029,632 - Step 5: Solve for x
x = 879,191,947,573,029,632/1,090,110,493.20 - Step 6: Final answer
x = 806,516,360.55
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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.