Finding the Fourth Proportional to 4,778,193,041.40, 7,167,312,231.42 and 1,462,002,322.44
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Solution
The fourth proportional to 4,778,193,041.40, 7,167,312,231.42 and 1,462,002,322.44 is: 2,193,010,419.88
Step by Step Solution
- Step 1: Write the proportion equation
4,778,193,041.40 : 7,167,312,231.42 = 1,462,002,322.44 : x - Step 2: Convert to fraction form
4,778,193,041.40/7,167,312,231.42 = 1,462,002,322.44/x - Step 3: Cross multiply
4,778,193,041.40x = 7,167,312,231.42 × 1,462,002,322.44 - Step 4: Simplify right side
4,778,193,041.40x = 10,478,627,127,988,660,224 - Step 5: Solve for x
x = 10,478,627,127,988,660,224/4,778,193,041.40 - Step 6: Final answer
x = 2,193,010,419.88
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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.