Finding the Fourth Proportional to 311,395,728.70, 466,774,728.45 and 181,936,701.10
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Solution
The fourth proportional to 311,395,728.70, 466,774,728.45 and 181,936,701.10 is: 272,718,751.17
Step by Step Solution
- Step 1: Write the proportion equation
311,395,728.70 : 466,774,728.45 = 181,936,701.10 : x - Step 2: Convert to fraction form
311,395,728.70/466,774,728.45 = 181,936,701.10/x - Step 3: Cross multiply
311,395,728.70x = 466,774,728.45 × 181,936,701.10 - Step 4: Simplify right side
311,395,728.70x = 84,923,454,251,041,312 - Step 5: Solve for x
x = 84,923,454,251,041,312/311,395,728.70 - Step 6: Final answer
x = 272,718,751.17
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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.