Finding the Fourth Proportional to 1,515,996,053.70, 2,273,994,080.55 and 926,734,272.90
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Solution
The fourth proportional to 1,515,996,053.70, 2,273,994,080.55 and 926,734,272.90 is: 1,390,101,409.35
Step by Step Solution
- Step 1: Write the proportion equation
1,515,996,053.70 : 2,273,994,080.55 = 926,734,272.90 : x - Step 2: Convert to fraction form
1,515,996,053.70/2,273,994,080.55 = 926,734,272.90/x - Step 3: Cross multiply
1,515,996,053.70x = 2,273,994,080.55 × 926,734,272.90 - Step 4: Simplify right side
1,515,996,053.70x = 2,107,388,250,817,408,512 - Step 5: Solve for x
x = 2,107,388,250,817,408,512/1,515,996,053.70 - Step 6: Final answer
x = 1,390,101,409.35
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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.