Finding the Fourth Proportional to 2,276,007,407.97, 3,140,959,228.28 and 1,272,467,258.20
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Solution
The fourth proportional to 2,276,007,407.97, 3,140,959,228.28 and 1,272,467,258.20 is: 1,756,043,395.70
Step by Step Solution
- Step 1: Write the proportion equation
2,276,007,407.97 : 3,140,959,228.28 = 1,272,467,258.20 : x - Step 2: Convert to fraction form
2,276,007,407.97/3,140,959,228.28 = 1,272,467,258.20/x - Step 3: Cross multiply
2,276,007,407.97x = 3,140,959,228.28 × 1,272,467,258.20 - Step 4: Simplify right side
2,276,007,407.97x = 3,996,767,777,327,439,872 - Step 5: Solve for x
x = 3,996,767,777,327,439,872/2,276,007,407.97 - Step 6: Final answer
x = 1,756,043,395.70
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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.