Finding the Fourth Proportional to 1,265,319,542.57, 1,746,008,037.30 and 700,789,635.95
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Solution
The fourth proportional to 1,265,319,542.57, 1,746,008,037.30 and 700,789,635.95 is: 967,016,074.32
Step by Step Solution
- Step 1: Write the proportion equation
1,265,319,542.57 : 1,746,008,037.30 = 700,789,635.95 : x - Step 2: Convert to fraction form
1,265,319,542.57/1,746,008,037.30 = 700,789,635.95/x - Step 3: Cross multiply
1,265,319,542.57x = 1,746,008,037.30 × 700,789,635.95 - Step 4: Simplify right side
1,265,319,542.57x = 1,223,584,336,816,510,976 - Step 5: Solve for x
x = 1,223,584,336,816,510,976/1,265,319,542.57 - Step 6: Final answer
x = 967,016,074.32
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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.