Finding the Fourth Proportional to 843,030,319.44, 1,163,395,614.60 and 461,545,988.88
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Solution
The fourth proportional to 843,030,319.44, 1,163,395,614.60 and 461,545,988.88 is: 636,941,005.58
Step by Step Solution
- Step 1: Write the proportion equation
843,030,319.44 : 1,163,395,614.60 = 461,545,988.88 : x - Step 2: Convert to fraction form
843,030,319.44/1,163,395,614.60 = 461,545,988.88/x - Step 3: Cross multiply
843,030,319.44x = 1,163,395,614.60 × 461,545,988.88 - Step 4: Simplify right side
843,030,319.44x = 536,960,579,399,212,288 - Step 5: Solve for x
x = 536,960,579,399,212,288/843,030,319.44 - Step 6: Final answer
x = 636,941,005.58
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1.5x scale
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.