Finding the Fourth Proportional to 319,565,856,025.20, 479,288,855,207.68 and 160,346,204,858.63
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Solution
The fourth proportional to 319,565,856,025.20, 479,288,855,207.68 and 160,346,204,858.63 is: 240,489,237,240.44
Step by Step Solution
- Step 1: Write the proportion equation
319,565,856,025.20 : 479,288,855,207.68 = 160,346,204,858.63 : x - Step 2: Convert to fraction form
319,565,856,025.20/479,288,855,207.68 = 160,346,204,858.63/x - Step 3: Cross multiply
319,565,856,025.20x = 479,288,855,207.68 × 160,346,204,858.63 - Step 4: Simplify right side
319,565,856,025.20x = 76,852,148,963,588,914,020,352 - Step 5: Solve for x
x = 76,852,148,963,588,914,020,352/319,565,856,025.20 - Step 6: Final answer
x = 240,489,237,240.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.