Finding the Fourth Proportional to 411,722,930.97, 568,187,517.02 and 223,559,154.95
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Solution
The fourth proportional to 411,722,930.97, 568,187,517.02 and 223,559,154.95 is: 308,516,994.32
Step by Step Solution
- Step 1: Write the proportion equation
411,722,930.97 : 568,187,517.02 = 223,559,154.95 : x - Step 2: Convert to fraction form
411,722,930.97/568,187,517.02 = 223,559,154.95/x - Step 3: Cross multiply
411,722,930.97x = 568,187,517.02 × 223,559,154.95 - Step 4: Simplify right side
411,722,930.97x = 127,023,521,154,171,200 - Step 5: Solve for x
x = 127,023,521,154,171,200/411,722,930.97 - Step 6: Final answer
x = 308,516,994.32
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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.