Finding the Fourth Proportional to 586,080,467.60, 879,120,701.40 and 177,199,725.20
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Solution
The fourth proportional to 586,080,467.60, 879,120,701.40 and 177,199,725.20 is: 265,799,587.80
Step by Step Solution
- Step 1: Write the proportion equation
586,080,467.60 : 879,120,701.40 = 177,199,725.20 : x - Step 2: Convert to fraction form
586,080,467.60/879,120,701.40 = 177,199,725.20/x - Step 3: Cross multiply
586,080,467.60x = 879,120,701.40 × 177,199,725.20 - Step 4: Simplify right side
586,080,467.60x = 155,779,946,705,711,232 - Step 5: Solve for x
x = 155,779,946,705,711,232/586,080,467.60 - Step 6: Final answer
x = 265,799,587.80
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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.