Finding the Fourth Proportional to 509,968,134.90, 764,952,202.35 and 165,169,214.10
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Solution
The fourth proportional to 509,968,134.90, 764,952,202.35 and 165,169,214.10 is: 247,753,821.15
Step by Step Solution
- Step 1: Write the proportion equation
509,968,134.90 : 764,952,202.35 = 165,169,214.10 : x - Step 2: Convert to fraction form
509,968,134.90/764,952,202.35 = 165,169,214.10/x - Step 3: Cross multiply
509,968,134.90x = 764,952,202.35 × 165,169,214.10 - Step 4: Simplify right side
509,968,134.90x = 126,346,554,086,213,680 - Step 5: Solve for x
x = 126,346,554,086,213,680/509,968,134.90 - Step 6: Final answer
x = 247,753,821.15
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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.