Finding the Fourth Proportional to 805,969,234.90, 1,208,953,852.35 and 295,299,615.70
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Solution
The fourth proportional to 805,969,234.90, 1,208,953,852.35 and 295,299,615.70 is: 442,949,423.55
Step by Step Solution
- Step 1: Write the proportion equation
805,969,234.90 : 1,208,953,852.35 = 295,299,615.70 : x - Step 2: Convert to fraction form
805,969,234.90/1,208,953,852.35 = 295,299,615.70/x - Step 3: Cross multiply
805,969,234.90x = 1,208,953,852.35 × 295,299,615.70 - Step 4: Simplify right side
805,969,234.90x = 357,003,607,997,989,504 - Step 5: Solve for x
x = 357,003,607,997,989,504/805,969,234.90 - Step 6: Final answer
x = 442,949,423.55
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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.