Finding the Fourth Proportional to 1,586,237,232.48, 2,188,911,421.04 and 881,365,112.20
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Solution
The fourth proportional to 1,586,237,232.48, 2,188,911,421.04 and 881,365,112.20 is: 1,216,230,536.45
Step by Step Solution
- Step 1: Write the proportion equation
1,586,237,232.48 : 2,188,911,421.04 = 881,365,112.20 : x - Step 2: Convert to fraction form
1,586,237,232.48/2,188,911,421.04 = 881,365,112.20/x - Step 3: Cross multiply
1,586,237,232.48x = 2,188,911,421.04 × 881,365,112.20 - Step 4: Simplify right side
1,586,237,232.48x = 1,929,230,160,200,781,056 - Step 5: Solve for x
x = 1,929,230,160,200,781,056/1,586,237,232.48 - Step 6: Final answer
x = 1,216,230,536.45
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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.