Finding the Fourth Proportional to 708,589,615.80, 1,062,884,423.70 and 617,890,351.80
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Solution
The fourth proportional to 708,589,615.80, 1,062,884,423.70 and 617,890,351.80 is: 926,835,527.70
Step by Step Solution
- Step 1: Write the proportion equation
708,589,615.80 : 1,062,884,423.70 = 617,890,351.80 : x - Step 2: Convert to fraction form
708,589,615.80/1,062,884,423.70 = 617,890,351.80/x - Step 3: Cross multiply
708,589,615.80x = 1,062,884,423.70 × 617,890,351.80 - Step 4: Simplify right side
708,589,615.80x = 656,746,030,482,733,184 - Step 5: Solve for x
x = 656,746,030,482,733,184/708,589,615.80 - Step 6: Final answer
x = 926,835,527.70
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Double scale
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Similar ratio
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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.