Finding the Fourth Proportional to 456,762,231.09, 630,315,000.49 and 247,913,889.71
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Solution
The fourth proportional to 456,762,231.09, 630,315,000.49 and 247,913,889.71 is: 342,112,006.80
Step by Step Solution
- Step 1: Write the proportion equation
456,762,231.09 : 630,315,000.49 = 247,913,889.71 : x - Step 2: Convert to fraction form
456,762,231.09/630,315,000.49 = 247,913,889.71/x - Step 3: Cross multiply
456,762,231.09x = 630,315,000.49 × 247,913,889.71 - Step 4: Simplify right side
456,762,231.09x = 156,263,843,510,728,704 - Step 5: Solve for x
x = 156,263,843,510,728,704/456,762,231.09 - Step 6: Final answer
x = 342,112,006.80
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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.