Finding the Fourth Proportional to 708,591,805.80, 1,062,887,708.70 and 708,591,805.80
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Solution
The fourth proportional to 708,591,805.80, 1,062,887,708.70 and 708,591,805.80 is: 1,062,887,708.70
Step by Step Solution
- Step 1: Write the proportion equation
708,591,805.80 : 1,062,887,708.70 = 708,591,805.80 : x - Step 2: Convert to fraction form
708,591,805.80/1,062,887,708.70 = 708,591,805.80/x - Step 3: Cross multiply
708,591,805.80x = 1,062,887,708.70 × 708,591,805.80 - Step 4: Simplify right side
708,591,805.80x = 753,153,520,870,357,376 - Step 5: Solve for x
x = 753,153,520,870,357,376/708,591,805.80 - Step 6: Final answer
x = 1,062,887,708.70
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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.