Finding the Fourth Proportional to 798,527,879.15, 1,197,828,811.49 and 245,855,062.82
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Solution
The fourth proportional to 798,527,879.15, 1,197,828,811.49 and 245,855,062.82 is: 368,793,983.77
Step by Step Solution
- Step 1: Write the proportion equation
798,527,879.15 : 1,197,828,811.49 = 245,855,062.82 : x - Step 2: Convert to fraction form
798,527,879.15/1,197,828,811.49 = 245,855,062.82/x - Step 3: Cross multiply
798,527,879.15x = 1,197,828,811.49 × 245,855,062.82 - Step 4: Simplify right side
798,527,879.15x = 294,492,277,698,245,120 - Step 5: Solve for x
x = 294,492,277,698,245,120/798,527,879.15 - Step 6: Final answer
x = 368,793,983.77
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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.