Finding the Fourth Proportional to 1,090,110,497.70, 1,635,165,746.55 and 537,677,578.20
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Solution
The fourth proportional to 1,090,110,497.70, 1,635,165,746.55 and 537,677,578.20 is: 806,516,367.30
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,497.70 : 1,635,165,746.55 = 537,677,578.20 : x - Step 2: Convert to fraction form
1,090,110,497.70/1,635,165,746.55 = 537,677,578.20/x - Step 3: Cross multiply
1,090,110,497.70x = 1,635,165,746.55 × 537,677,578.20 - Step 4: Simplify right side
1,090,110,497.70x = 879,191,958,560,599,040 - Step 5: Solve for x
x = 879,191,958,560,599,040/1,090,110,497.70 - Step 6: Final answer
x = 806,516,367.30
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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.