Finding the Fourth Proportional to 1,820,066,997.58, 2,513,427,080.10 and 1,720,910,029.99
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Solution
The fourth proportional to 1,820,066,997.58, 2,513,427,080.10 and 1,720,910,029.99 is: 2,376,495,962.81
Step by Step Solution
- Step 1: Write the proportion equation
1,820,066,997.58 : 2,513,427,080.10 = 1,720,910,029.99 : x - Step 2: Convert to fraction form
1,820,066,997.58/2,513,427,080.10 = 1,720,910,029.99/x - Step 3: Cross multiply
1,820,066,997.58x = 2,513,427,080.10 × 1,720,910,029.99 - Step 4: Simplify right side
1,820,066,997.58x = 4,325,381,871,794,330,624 - Step 5: Solve for x
x = 4,325,381,871,794,330,624/1,820,066,997.58 - Step 6: Final answer
x = 2,376,495,962.81
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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.