Finding the Fourth Proportional to 630,519,735.24, 870,112,039.44 and 344,411,497.92
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Solution
The fourth proportional to 630,519,735.24, 870,112,039.44 and 344,411,497.92 is: 475,285,029.34
Step by Step Solution
- Step 1: Write the proportion equation
630,519,735.24 : 870,112,039.44 = 344,411,497.92 : x - Step 2: Convert to fraction form
630,519,735.24/870,112,039.44 = 344,411,497.92/x - Step 3: Cross multiply
630,519,735.24x = 870,112,039.44 × 344,411,497.92 - Step 4: Simplify right side
630,519,735.24x = 299,676,590,861,756,544 - Step 5: Solve for x
x = 299,676,590,861,756,544/630,519,735.24 - Step 6: Final answer
x = 475,285,029.34
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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.