Finding the Fourth Proportional to 324,516,811.70, 447,833,593.86 and 175,837,815.48
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Solution
The fourth proportional to 324,516,811.70, 447,833,593.86 and 175,837,815.48 is: 242,656,398.69
Step by Step Solution
- Step 1: Write the proportion equation
324,516,811.70 : 447,833,593.86 = 175,837,815.48 : x - Step 2: Convert to fraction form
324,516,811.70/447,833,593.86 = 175,837,815.48/x - Step 3: Cross multiply
324,516,811.70x = 447,833,593.86 × 175,837,815.48 - Step 4: Simplify right side
324,516,811.70x = 78,746,080,842,899,936 - Step 5: Solve for x
x = 78,746,080,842,899,936/324,516,811.70 - Step 6: Final answer
x = 242,656,398.69
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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.