Finding the Fourth Proportional to 7,551,571,108.96, 10,417,862,137.44 and 7,201,457,776
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Solution
The fourth proportional to 7,551,571,108.96, 10,417,862,137.44 and 7,201,457,776 is: 9,934,859,013.64
Step by Step Solution
- Step 1: Write the proportion equation
7,551,571,108.96 : 10,417,862,137.44 = 7,201,457,776 : x - Step 2: Convert to fraction form
7,551,571,108.96/10,417,862,137.44 = 7,201,457,776/x - Step 3: Cross multiply
7,551,571,108.96x = 10,417,862,137.44 × 7,201,457,776 - Step 4: Simplify right side
7,551,571,108.96x = 75,023,794,298,963,279,872 - Step 5: Solve for x
x = 75,023,794,298,963,279,872/7,551,571,108.96 - Step 6: Final answer
x = 9,934,859,013.64
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1.5x scale
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.