Finding the Fourth Proportional to 699,236,294.18, 964,945,934.98 and 385,970,427.14
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Solution
The fourth proportional to 699,236,294.18, 964,945,934.98 and 385,970,427.14 is: 532,639,106.10
Step by Step Solution
- Step 1: Write the proportion equation
699,236,294.18 : 964,945,934.98 = 385,970,427.14 : x - Step 2: Convert to fraction form
699,236,294.18/964,945,934.98 = 385,970,427.14/x - Step 3: Cross multiply
699,236,294.18x = 964,945,934.98 × 385,970,427.14 - Step 4: Simplify right side
699,236,294.18x = 372,440,594,685,447,616 - Step 5: Solve for x
x = 372,440,594,685,447,616/699,236,294.18 - Step 6: Final answer
x = 532,639,106.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.