Finding the Fourth Proportional to 2,792,831,311.68, 3,853,929,615.84 and 1,539,699,673.92
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Solution
The fourth proportional to 2,792,831,311.68, 3,853,929,615.84 and 1,539,699,673.92 is: 2,124,687,641.54
Step by Step Solution
- Step 1: Write the proportion equation
2,792,831,311.68 : 3,853,929,615.84 = 1,539,699,673.92 : x - Step 2: Convert to fraction form
2,792,831,311.68/3,853,929,615.84 = 1,539,699,673.92/x - Step 3: Cross multiply
2,792,831,311.68x = 3,853,929,615.84 × 1,539,699,673.92 - Step 4: Simplify right side
2,792,831,311.68x = 5,933,894,172,819,479,552 - Step 5: Solve for x
x = 5,933,894,172,819,479,552/2,792,831,311.68 - Step 6: Final answer
x = 2,124,687,641.54
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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.