Finding the Fourth Proportional to 527,042,919.48, 785,852,475.11 and 512,562,889.05
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Solution
The fourth proportional to 527,042,919.48, 785,852,475.11 and 512,562,889.05 is: 764,261,884.79
Step by Step Solution
- Step 1: Write the proportion equation
527,042,919.48 : 785,852,475.11 = 512,562,889.05 : x - Step 2: Convert to fraction form
527,042,919.48/785,852,475.11 = 512,562,889.05/x - Step 3: Cross multiply
527,042,919.48x = 785,852,475.11 × 512,562,889.05 - Step 4: Simplify right side
527,042,919.48x = 402,798,815,006,912,000 - Step 5: Solve for x
x = 402,798,815,006,912,000/527,042,919.48 - Step 6: Final answer
x = 764,261,884.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.