Finding the Fourth Proportional to 879,433,281.10, 1,320,451,624.05 and 492,029,850.70
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Solution
The fourth proportional to 879,433,281.10, 1,320,451,624.05 and 492,029,850.70 is: 738,773,059.20
Step by Step Solution
- Step 1: Write the proportion equation
879,433,281.10 : 1,320,451,624.05 = 492,029,850.70 : x - Step 2: Convert to fraction form
879,433,281.10/1,320,451,624.05 = 492,029,850.70/x - Step 3: Cross multiply
879,433,281.10x = 1,320,451,624.05 × 492,029,850.70 - Step 4: Simplify right side
879,433,281.10x = 649,701,615,437,894,016 - Step 5: Solve for x
x = 649,701,615,437,894,016/879,433,281.10 - Step 6: Final answer
x = 738,773,059.20
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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.