Finding the Fourth Proportional to 403,163,816.80, 604,857,699.60 and 173,243,048.80
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Solution
The fourth proportional to 403,163,816.80, 604,857,699.60 and 173,243,048.80 is: 259,912,689.59
Step by Step Solution
- Step 1: Write the proportion equation
403,163,816.80 : 604,857,699.60 = 173,243,048.80 : x - Step 2: Convert to fraction form
403,163,816.80/604,857,699.60 = 173,243,048.80/x - Step 3: Cross multiply
403,163,816.80x = 604,857,699.60 × 173,243,048.80 - Step 4: Simplify right side
403,163,816.80x = 104,787,391,968,858,544 - Step 5: Solve for x
x = 104,787,391,968,858,544/403,163,816.80 - Step 6: Final answer
x = 259,912,689.59
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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.