Finding the Fourth Proportional to 1,349,838,517.24, 1,862,779,888.20 and 755,132,932.96
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Solution
The fourth proportional to 1,349,838,517.24, 1,862,779,888.20 and 755,132,932.96 is: 1,042,084,977.18
Step by Step Solution
- Step 1: Write the proportion equation
1,349,838,517.24 : 1,862,779,888.20 = 755,132,932.96 : x - Step 2: Convert to fraction form
1,349,838,517.24/1,862,779,888.20 = 755,132,932.96/x - Step 3: Cross multiply
1,349,838,517.24x = 1,862,779,888.20 × 755,132,932.96 - Step 4: Simplify right side
1,349,838,517.24x = 1,406,646,440,435,366,912 - Step 5: Solve for x
x = 1,406,646,440,435,366,912/1,349,838,517.24 - Step 6: Final answer
x = 1,042,084,977.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.