Finding the Fourth Proportional to 3,357,918,289.98, 5,037,523,037.37 and 1,287,478,576.26
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Solution
The fourth proportional to 3,357,918,289.98, 5,037,523,037.37 and 1,287,478,576.26 is: 1,931,465,398.48
Step by Step Solution
- Step 1: Write the proportion equation
3,357,918,289.98 : 5,037,523,037.37 = 1,287,478,576.26 : x - Step 2: Convert to fraction form
3,357,918,289.98/5,037,523,037.37 = 1,287,478,576.26/x - Step 3: Cross multiply
3,357,918,289.98x = 5,037,523,037.37 × 1,287,478,576.26 - Step 4: Simplify right side
3,357,918,289.98x = 6,485,702,988,030,077,952 - Step 5: Solve for x
x = 6,485,702,988,030,077,952/3,357,918,289.98 - Step 6: Final answer
x = 1,931,465,398.48
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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.