Finding the Fourth Proportional to 1,455,562,998.52, 2,182,567,680.36 and 755,350,102.84
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Solution
The fourth proportional to 1,455,562,998.52, 2,182,567,680.36 and 755,350,102.84 is: 1,132,622,032.50
Step by Step Solution
- Step 1: Write the proportion equation
1,455,562,998.52 : 2,182,567,680.36 = 755,350,102.84 : x - Step 2: Convert to fraction form
1,455,562,998.52/2,182,567,680.36 = 755,350,102.84/x - Step 3: Cross multiply
1,455,562,998.52x = 2,182,567,680.36 × 755,350,102.84 - Step 4: Simplify right side
1,455,562,998.52x = 1,648,602,721,815,186,432 - Step 5: Solve for x
x = 1,648,602,721,815,186,432/1,455,562,998.52 - Step 6: Final answer
x = 1,132,622,032.50
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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.