Finding the Fourth Proportional to 6,378,253,770.87, 8,802,785,159.06 and 3,701,459,199.51
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Solution
The fourth proportional to 6,378,253,770.87, 8,802,785,159.06 and 3,701,459,199.51 is: 5,108,475,027.62
Step by Step Solution
- Step 1: Write the proportion equation
6,378,253,770.87 : 8,802,785,159.06 = 3,701,459,199.51 : x - Step 2: Convert to fraction form
6,378,253,770.87/8,802,785,159.06 = 3,701,459,199.51/x - Step 3: Cross multiply
6,378,253,770.87x = 8,802,785,159.06 × 3,701,459,199.51 - Step 4: Simplify right side
6,378,253,770.87x = 32,583,150,108,294,971,392 - Step 5: Solve for x
x = 32,583,150,108,294,971,392/6,378,253,770.87 - Step 6: Final answer
x = 5,108,475,027.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.