Finding the Fourth Proportional to 1,357,609,260.80, 2,035,580,481.12 and 527,593,761.44
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Solution
The fourth proportional to 1,357,609,260.80, 2,035,580,481.12 and 527,593,761.44 is: 791,066,762.55
Step by Step Solution
- Step 1: Write the proportion equation
1,357,609,260.80 : 2,035,580,481.12 = 527,593,761.44 : x - Step 2: Convert to fraction form
1,357,609,260.80/2,035,580,481.12 = 527,593,761.44/x - Step 3: Cross multiply
1,357,609,260.80x = 2,035,580,481.12 × 527,593,761.44 - Step 4: Simplify right side
1,357,609,260.80x = 1,073,959,562,747,945,600 - Step 5: Solve for x
x = 1,073,959,562,747,945,600/1,357,609,260.80 - Step 6: Final answer
x = 791,066,762.55
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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.