Finding the Fourth Proportional to 843,030,312.55, 1,163,395,604.48 and 461,545,982.61
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Solution
The fourth proportional to 843,030,312.55, 1,163,395,604.48 and 461,545,982.61 is: 636,940,996.59
Step by Step Solution
- Step 1: Write the proportion equation
843,030,312.55 : 1,163,395,604.48 = 461,545,982.61 : x - Step 2: Convert to fraction form
843,030,312.55/1,163,395,604.48 = 461,545,982.61/x - Step 3: Cross multiply
843,030,312.55x = 1,163,395,604.48 × 461,545,982.61 - Step 4: Simplify right side
843,030,312.55x = 536,960,567,431,568,768 - Step 5: Solve for x
x = 536,960,567,431,568,768/843,030,312.55 - Step 6: Final answer
x = 636,940,996.59
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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.