Finding the Fourth Proportional to 588,385,315.20, 882,577,972.80 and 384,311,971.20
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Solution
The fourth proportional to 588,385,315.20, 882,577,972.80 and 384,311,971.20 is: 576,467,956.80
Step by Step Solution
- Step 1: Write the proportion equation
588,385,315.20 : 882,577,972.80 = 384,311,971.20 : x - Step 2: Convert to fraction form
588,385,315.20/882,577,972.80 = 384,311,971.20/x - Step 3: Cross multiply
588,385,315.20x = 882,577,972.80 × 384,311,971.20 - Step 4: Simplify right side
588,385,315.20x = 339,185,280,464,467,968 - Step 5: Solve for x
x = 339,185,280,464,467,968/588,385,315.20 - Step 6: Final answer
x = 576,467,956.80
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Similar ratio
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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.