Finding the Fourth Proportional to 801,657,819.90, 1,202,486,729.85 and 724,173,722.10
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Solution
The fourth proportional to 801,657,819.90, 1,202,486,729.85 and 724,173,722.10 is: 1,086,260,583.15
Step by Step Solution
- Step 1: Write the proportion equation
801,657,819.90 : 1,202,486,729.85 = 724,173,722.10 : x - Step 2: Convert to fraction form
801,657,819.90/1,202,486,729.85 = 724,173,722.10/x - Step 3: Cross multiply
801,657,819.90x = 1,202,486,729.85 × 724,173,722.10 - Step 4: Simplify right side
801,657,819.90x = 870,809,290,931,331,584 - Step 5: Solve for x
x = 870,809,290,931,331,584/801,657,819.90 - Step 6: Final answer
x = 1,086,260,583.15
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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.