Finding the Fourth Proportional to 2,613,340,829.80, 3,920,011,244.70 and 2,021,528,132.20
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Solution
The fourth proportional to 2,613,340,829.80, 3,920,011,244.70 and 2,021,528,132.20 is: 3,032,292,198.30
Step by Step Solution
- Step 1: Write the proportion equation
2,613,340,829.80 : 3,920,011,244.70 = 2,021,528,132.20 : x - Step 2: Convert to fraction form
2,613,340,829.80/3,920,011,244.70 = 2,021,528,132.20/x - Step 3: Cross multiply
2,613,340,829.80x = 3,920,011,244.70 × 2,021,528,132.20 - Step 4: Simplify right side
2,613,340,829.80x = 7,924,413,009,701,388,288 - Step 5: Solve for x
x = 7,924,413,009,701,388,288/2,613,340,829.80 - Step 6: Final answer
x = 3,032,292,198.30
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1.5x scale
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.