Finding the Fourth Proportional to 2,909,052,757.06, 4,363,579,193.26 and 698,262,470.42
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Solution
The fourth proportional to 2,909,052,757.06, 4,363,579,193.26 and 698,262,470.42 is: 1,047,393,719.47
Step by Step Solution
- Step 1: Write the proportion equation
2,909,052,757.06 : 4,363,579,193.26 = 698,262,470.42 : x - Step 2: Convert to fraction form
2,909,052,757.06/4,363,579,193.26 = 698,262,470.42/x - Step 3: Cross multiply
2,909,052,757.06x = 4,363,579,193.26 × 698,262,470.42 - Step 4: Simplify right side
2,909,052,757.06x = 3,046,923,587,359,037,952 - Step 5: Solve for x
x = 3,046,923,587,359,037,952/2,909,052,757.06 - Step 6: Final answer
x = 1,047,393,719.47
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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.