Finding the Fourth Proportional to 4,871,842,574.66, 6,721,990,449.56 and 2,757,298,518.20
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Solution
The fourth proportional to 4,871,842,574.66, 6,721,990,449.56 and 2,757,298,518.20 is: 3,804,419,790.23
Step by Step Solution
- Step 1: Write the proportion equation
4,871,842,574.66 : 6,721,990,449.56 = 2,757,298,518.20 : x - Step 2: Convert to fraction form
4,871,842,574.66/6,721,990,449.56 = 2,757,298,518.20/x - Step 3: Cross multiply
4,871,842,574.66x = 6,721,990,449.56 × 2,757,298,518.20 - Step 4: Simplify right side
4,871,842,574.66x = 18,534,534,305,926,340,608 - Step 5: Solve for x
x = 18,534,534,305,926,340,608/4,871,842,574.66 - Step 6: Final answer
x = 3,804,419,790.23
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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.