Finding the Fourth Proportional to 1,063,883,682.24, 1,594,441,319.88 and 432,880,372.32
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Solution
The fourth proportional to 1,063,883,682.24, 1,594,441,319.88 and 432,880,372.32 is: 648,757,344.17
Step by Step Solution
- Step 1: Write the proportion equation
1,063,883,682.24 : 1,594,441,319.88 = 432,880,372.32 : x - Step 2: Convert to fraction form
1,063,883,682.24/1,594,441,319.88 = 432,880,372.32/x - Step 3: Cross multiply
1,063,883,682.24x = 1,594,441,319.88 × 432,880,372.32 - Step 4: Simplify right side
1,063,883,682.24x = 690,202,352,192,046,592 - Step 5: Solve for x
x = 690,202,352,192,046,592/1,063,883,682.24 - Step 6: Final answer
x = 648,757,344.17
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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.