Finding the Fourth Proportional to 446,056,419.12, 615,521,772.20 and 257,896,784.74
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Solution
The fourth proportional to 446,056,419.12, 615,521,772.20 and 257,896,784.74 is: 355,876,698.96
Step by Step Solution
- Step 1: Write the proportion equation
446,056,419.12 : 615,521,772.20 = 257,896,784.74 : x - Step 2: Convert to fraction form
446,056,419.12/615,521,772.20 = 257,896,784.74/x - Step 3: Cross multiply
446,056,419.12x = 615,521,772.20 × 257,896,784.74 - Step 4: Simplify right side
446,056,419.12x = 158,741,085,987,846,720 - Step 5: Solve for x
x = 158,741,085,987,846,720/446,056,419.12 - Step 6: Final answer
x = 355,876,698.96
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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.