Finding the Fourth Proportional to 600,311,684.58, 827,772,272.36 and 391,079,819.94
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Solution
The fourth proportional to 600,311,684.58, 827,772,272.36 and 391,079,819.94 is: 539,261,586.17
Step by Step Solution
- Step 1: Write the proportion equation
600,311,684.58 : 827,772,272.36 = 391,079,819.94 : x - Step 2: Convert to fraction form
600,311,684.58/827,772,272.36 = 391,079,819.94/x - Step 3: Cross multiply
600,311,684.58x = 827,772,272.36 × 391,079,819.94 - Step 4: Simplify right side
600,311,684.58x = 323,725,031,225,873,472 - Step 5: Solve for x
x = 323,725,031,225,873,472/600,311,684.58 - Step 6: Final answer
x = 539,261,586.17
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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.