Finding the Fourth Proportional to 529,181,546.72, 793,878,276.12 and 296,343,377.12
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Solution
The fourth proportional to 529,181,546.72, 793,878,276.12 and 296,343,377.12 is: 444,574,401.40
Step by Step Solution
- Step 1: Write the proportion equation
529,181,546.72 : 793,878,276.12 = 296,343,377.12 : x - Step 2: Convert to fraction form
529,181,546.72/793,878,276.12 = 296,343,377.12/x - Step 3: Cross multiply
529,181,546.72x = 793,878,276.12 × 296,343,377.12 - Step 4: Simplify right side
529,181,546.72x = 235,260,569,367,604,640 - Step 5: Solve for x
x = 235,260,569,367,604,640/529,181,546.72 - Step 6: Final answer
x = 444,574,401.40
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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.