Finding the Fourth Proportional to 1,096,102,921.30, 1,644,154,381.95 and 514,972,187.80
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Solution
The fourth proportional to 1,096,102,921.30, 1,644,154,381.95 and 514,972,187.80 is: 772,458,281.70
Step by Step Solution
- Step 1: Write the proportion equation
1,096,102,921.30 : 1,644,154,381.95 = 514,972,187.80 : x - Step 2: Convert to fraction form
1,096,102,921.30/1,644,154,381.95 = 514,972,187.80/x - Step 3: Cross multiply
1,096,102,921.30x = 1,644,154,381.95 × 514,972,187.80 - Step 4: Simplify right side
1,096,102,921.30x = 846,693,779,153,748,352 - Step 5: Solve for x
x = 846,693,779,153,748,352/1,096,102,921.30 - Step 6: Final answer
x = 772,458,281.70
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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.