Finding the Fourth Proportional to 898,857,007.80, 1,348,285,511.70 and 252,624,751.80
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Solution
The fourth proportional to 898,857,007.80, 1,348,285,511.70 and 252,624,751.80 is: 378,937,127.70
Step by Step Solution
- Step 1: Write the proportion equation
898,857,007.80 : 1,348,285,511.70 = 252,624,751.80 : x - Step 2: Convert to fraction form
898,857,007.80/1,348,285,511.70 = 252,624,751.80/x - Step 3: Cross multiply
898,857,007.80x = 1,348,285,511.70 × 252,624,751.80 - Step 4: Simplify right side
898,857,007.80x = 340,610,292,748,748,544 - Step 5: Solve for x
x = 340,610,292,748,748,544/898,857,007.80 - Step 6: Final answer
x = 378,937,127.70
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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.