Finding the Fourth Proportional to 5,201,437,289.16, 7,177,983,459.49 and 2,822,575,226.52
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Solution
The fourth proportional to 5,201,437,289.16, 7,177,983,459.49 and 2,822,575,226.52 is: 3,895,153,812.84
Step by Step Solution
- Step 1: Write the proportion equation
5,201,437,289.16 : 7,177,983,459.49 = 2,822,575,226.52 : x - Step 2: Convert to fraction form
5,201,437,289.16/7,177,983,459.49 = 2,822,575,226.52/x - Step 3: Cross multiply
5,201,437,289.16x = 7,177,983,459.49 × 2,822,575,226.52 - Step 4: Simplify right side
5,201,437,289.16x = 20,260,398,289,126,797,312 - Step 5: Solve for x
x = 20,260,398,289,126,797,312/5,201,437,289.16 - Step 6: Final answer
x = 3,895,153,812.84
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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.