Finding the Fourth Proportional to 961,469,148.30, 1,442,203,722.45 and 951,265,481.10
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Solution
The fourth proportional to 961,469,148.30, 1,442,203,722.45 and 951,265,481.10 is: 1,426,898,221.65
Step by Step Solution
- Step 1: Write the proportion equation
961,469,148.30 : 1,442,203,722.45 = 951,265,481.10 : x - Step 2: Convert to fraction form
961,469,148.30/1,442,203,722.45 = 951,265,481.10/x - Step 3: Cross multiply
961,469,148.30x = 1,442,203,722.45 × 951,265,481.10 - Step 4: Simplify right side
961,469,148.30x = 1,371,918,617,880,610,304 - Step 5: Solve for x
x = 1,371,918,617,880,610,304/961,469,148.30 - Step 6: Final answer
x = 1,426,898,221.65
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1.5x scale
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.