Finding the Fourth Proportional to 459,692,275.20, 634,388,800.56 and 250,861,873.92
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Solution
The fourth proportional to 459,692,275.20, 634,388,800.56 and 250,861,873.92 is: 346,196,731.79
Step by Step Solution
- Step 1: Write the proportion equation
459,692,275.20 : 634,388,800.56 = 250,861,873.92 : x - Step 2: Convert to fraction form
459,692,275.20/634,388,800.56 = 250,861,873.92/x - Step 3: Cross multiply
459,692,275.20x = 634,388,800.56 × 250,861,873.92 - Step 4: Simplify right side
459,692,275.20x = 159,143,963,302,342,720 - Step 5: Solve for x
x = 159,143,963,302,342,720/459,692,275.20 - Step 6: Final answer
x = 346,196,731.79
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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.