Finding the Fourth Proportional to 708,593,953.80, 1,062,890,930.70 and 248,366,047.80
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Solution
The fourth proportional to 708,593,953.80, 1,062,890,930.70 and 248,366,047.80 is: 372,549,071.70
Step by Step Solution
- Step 1: Write the proportion equation
708,593,953.80 : 1,062,890,930.70 = 248,366,047.80 : x - Step 2: Convert to fraction form
708,593,953.80/1,062,890,930.70 = 248,366,047.80/x - Step 3: Cross multiply
708,593,953.80x = 1,062,890,930.70 × 248,366,047.80 - Step 4: Simplify right side
708,593,953.80x = 263,986,019,700,422,720 - Step 5: Solve for x
x = 263,986,019,700,422,720/708,593,953.80 - Step 6: Final answer
x = 372,549,071.70
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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.