Finding the Fourth Proportional to 440,460,316.17, 607,663,203.35 and 252,187,990.11
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Solution
The fourth proportional to 440,460,316.17, 607,663,203.35 and 252,187,990.11 is: 347,920,927.92
Step by Step Solution
- Step 1: Write the proportion equation
440,460,316.17 : 607,663,203.35 = 252,187,990.11 : x - Step 2: Convert to fraction form
440,460,316.17/607,663,203.35 = 252,187,990.11/x - Step 3: Cross multiply
440,460,316.17x = 607,663,203.35 × 252,187,990.11 - Step 4: Simplify right side
440,460,316.17x = 153,245,361,915,379,808 - Step 5: Solve for x
x = 153,245,361,915,379,808/440,460,316.17 - Step 6: Final answer
x = 347,920,927.92
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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.