Finding the Fourth Proportional to 1,090,110,510.45, 1,635,165,765.68 and 537,677,590.95
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Solution
The fourth proportional to 1,090,110,510.45, 1,635,165,765.68 and 537,677,590.95 is: 806,516,386.43
Step by Step Solution
- Step 1: Write the proportion equation
1,090,110,510.45 : 1,635,165,765.68 = 537,677,590.95 : x - Step 2: Convert to fraction form
1,090,110,510.45/1,635,165,765.68 = 537,677,590.95/x - Step 3: Cross multiply
1,090,110,510.45x = 1,635,165,765.68 × 537,677,590.95 - Step 4: Simplify right side
1,090,110,510.45x = 879,191,989,692,046,208 - Step 5: Solve for x
x = 879,191,989,692,046,208/1,090,110,510.45 - Step 6: Final answer
x = 806,516,386.43
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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.