Finding the Fourth Proportional to 853,013,048.80, 1,197,662,006 and 853,013,048.80
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Solution
The fourth proportional to 853,013,048.80, 1,197,662,006 and 853,013,048.80 is: 1,197,662,006
Step by Step Solution
- Step 1: Write the proportion equation
853,013,048.80 : 1,197,662,006 = 853,013,048.80 : x - Step 2: Convert to fraction form
853,013,048.80/1,197,662,006 = 853,013,048.80/x - Step 3: Cross multiply
853,013,048.80x = 1,197,662,006 × 853,013,048.80 - Step 4: Simplify right side
853,013,048.80x = 1,021,621,319,169,983,872 - Step 5: Solve for x
x = 1,021,621,319,169,983,872/853,013,048.80 - Step 6: Final answer
x = 1,197,662,006
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.