Finding the Fourth Proportional to 1,365,358,632.13, 1,884,199,908.42 and 738,827,066.53
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Solution
The fourth proportional to 1,365,358,632.13, 1,884,199,908.42 and 738,827,066.53 is: 1,019,584,055.30
Step by Step Solution
- Step 1: Write the proportion equation
1,365,358,632.13 : 1,884,199,908.42 = 738,827,066.53 : x - Step 2: Convert to fraction form
1,365,358,632.13/1,884,199,908.42 = 738,827,066.53/x - Step 3: Cross multiply
1,365,358,632.13x = 1,884,199,908.42 × 738,827,066.53 - Step 4: Simplify right side
1,365,358,632.13x = 1,392,097,891,080,928,000 - Step 5: Solve for x
x = 1,392,097,891,080,928,000/1,365,358,632.13 - Step 6: Final answer
x = 1,019,584,055.30
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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.