Finding the Fourth Proportional to 576,295,881.59, 795,288,573.36 and 311,977,866.08
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Solution
The fourth proportional to 576,295,881.59, 795,288,573.36 and 311,977,866.08 is: 430,529,594.19
Step by Step Solution
- Step 1: Write the proportion equation
576,295,881.59 : 795,288,573.36 = 311,977,866.08 : x - Step 2: Convert to fraction form
576,295,881.59/795,288,573.36 = 311,977,866.08/x - Step 3: Cross multiply
576,295,881.59x = 795,288,573.36 × 311,977,866.08 - Step 4: Simplify right side
576,295,881.59x = 248,112,432,036,648,544 - Step 5: Solve for x
x = 248,112,432,036,648,544/576,295,881.59 - Step 6: Final answer
x = 430,529,594.19
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1.5x scale
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.