Finding the Fourth Proportional to 1,503,475,467.71, 2,255,299,384.82 and 398,051,600.09
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Solution
The fourth proportional to 1,503,475,467.71, 2,255,299,384.82 and 398,051,600.09 is: 597,100,217.52
Step by Step Solution
- Step 1: Write the proportion equation
1,503,475,467.71 : 2,255,299,384.82 = 398,051,600.09 : x - Step 2: Convert to fraction form
1,503,475,467.71/2,255,299,384.82 = 398,051,600.09/x - Step 3: Cross multiply
1,503,475,467.71x = 2,255,299,384.82 × 398,051,600.09 - Step 4: Simplify right side
1,503,475,467.71x = 897,725,528,796,326,912 - Step 5: Solve for x
x = 897,725,528,796,326,912/1,503,475,467.71 - Step 6: Final answer
x = 597,100,217.52
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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.