Finding the Fourth Proportional to 402,717,205.68, 555,434,866.32 and 261,633,894
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Solution
The fourth proportional to 402,717,205.68, 555,434,866.32 and 261,633,894 is: 360,850,206.77
Step by Step Solution
- Step 1: Write the proportion equation
402,717,205.68 : 555,434,866.32 = 261,633,894 : x - Step 2: Convert to fraction form
402,717,205.68/555,434,866.32 = 261,633,894/x - Step 3: Cross multiply
402,717,205.68x = 555,434,866.32 × 261,633,894 - Step 4: Simplify right side
402,717,205.68x = 145,320,586,938,671,072 - Step 5: Solve for x
x = 145,320,586,938,671,072/402,717,205.68 - Step 6: Final answer
x = 360,850,206.77
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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.