Finding the Fourth Proportional to 1,962,839,074.39, 2,708,714,207.32 and 1,070,765,565.19
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Solution
The fourth proportional to 1,962,839,074.39, 2,708,714,207.32 and 1,070,765,565.19 is: 1,477,654,453.17
Step by Step Solution
- Step 1: Write the proportion equation
1,962,839,074.39 : 2,708,714,207.32 = 1,070,765,565.19 : x - Step 2: Convert to fraction form
1,962,839,074.39/2,708,714,207.32 = 1,070,765,565.19/x - Step 3: Cross multiply
1,962,839,074.39x = 2,708,714,207.32 × 1,070,765,565.19 - Step 4: Simplify right side
1,962,839,074.39x = 2,900,397,899,129,734,144 - Step 5: Solve for x
x = 2,900,397,899,129,734,144/1,962,839,074.39 - Step 6: Final answer
x = 1,477,654,453.17
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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.