Finding the Fourth Proportional to 695,279,088.73, 1,042,756,837.47 and 258,785,337.79
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Solution
The fourth proportional to 695,279,088.73, 1,042,756,837.47 and 258,785,337.79 is: 388,117,785.78
Step by Step Solution
- Step 1: Write the proportion equation
695,279,088.73 : 1,042,756,837.47 = 258,785,337.79 : x - Step 2: Convert to fraction form
695,279,088.73/1,042,756,837.47 = 258,785,337.79/x - Step 3: Cross multiply
695,279,088.73x = 1,042,756,837.47 × 258,785,337.79 - Step 4: Simplify right side
695,279,088.73x = 269,850,180,414,756,192 - Step 5: Solve for x
x = 269,850,180,414,756,192/695,279,088.73 - Step 6: Final answer
x = 388,117,785.78
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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.