Finding the Fourth Proportional to 344,862,812.12, 476,533,209.99 and 245,571,178.23
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Solution
The fourth proportional to 344,862,812.12, 476,533,209.99 and 245,571,178.23 is: 339,331,518.89
Step by Step Solution
- Step 1: Write the proportion equation
344,862,812.12 : 476,533,209.99 = 245,571,178.23 : x - Step 2: Convert to fraction form
344,862,812.12/476,533,209.99 = 245,571,178.23/x - Step 3: Cross multiply
344,862,812.12x = 476,533,209.99 × 245,571,178.23 - Step 4: Simplify right side
344,862,812.12x = 117,022,821,842,102,192 - Step 5: Solve for x
x = 117,022,821,842,102,192/344,862,812.12 - Step 6: Final answer
x = 339,331,518.89
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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.