Finding the Fourth Proportional to 1,090,110,510.70, 1,635,165,766.05 and 537,677,591.20
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Solution
The fourth proportional to 1,090,110,510.70, 1,635,165,766.05 and 537,677,591.20 is: 806,516,386.80
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,510.70 : 1,635,165,766.05 = 537,677,591.20 : x - Step 2: Convert to fraction form
1,090,110,510.70/1,635,165,766.05 = 537,677,591.20/x - Step 3: Cross multiply
1,090,110,510.70x = 1,635,165,766.05 × 537,677,591.20 - Step 4: Simplify right side
1,090,110,510.70x = 879,191,990,302,466,816 - Step 5: Solve for x
x = 879,191,990,302,466,816/1,090,110,510.70 - Step 6: Final answer
x = 806,516,386.80
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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.