Finding the Fourth Proportional to 4,753,505,536.21, 7,130,282,901.90 and 2,786,979,565
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Solution
The fourth proportional to 4,753,505,536.21, 7,130,282,901.90 and 2,786,979,565 is: 4,180,483,769.06
Step by Step Solution
- Step 1: Write the proportion equation
4,753,505,536.21 : 7,130,282,901.90 = 2,786,979,565 : x - Step 2: Convert to fraction form
4,753,505,536.21/7,130,282,901.90 = 2,786,979,565/x - Step 3: Cross multiply
4,753,505,536.21x = 7,130,282,901.90 × 2,786,979,565 - Step 4: Simplify right side
4,753,505,536.21x = 19,871,952,740,264,198,144 - Step 5: Solve for x
x = 19,871,952,740,264,198,144/4,753,505,536.21 - Step 6: Final answer
x = 4,180,483,769.06
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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.