Finding the Fourth Proportional to 829,805,554.80, 1,244,708,332.20 and 782,188,441.20
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Solution
The fourth proportional to 829,805,554.80, 1,244,708,332.20 and 782,188,441.20 is: 1,173,282,661.80
Step by Step Solution
- Step 1: Write the proportion equation
829,805,554.80 : 1,244,708,332.20 = 782,188,441.20 : x - Step 2: Convert to fraction form
829,805,554.80/1,244,708,332.20 = 782,188,441.20/x - Step 3: Cross multiply
829,805,554.80x = 1,244,708,332.20 × 782,188,441.20 - Step 4: Simplify right side
829,805,554.80x = 973,596,470,112,169,856 - Step 5: Solve for x
x = 973,596,470,112,169,856/829,805,554.80 - Step 6: Final answer
x = 1,173,282,661.80
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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.