Finding the Fourth Proportional to 843,029,455.36, 1,163,394,421.84 and 461,545,126.08
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Solution
The fourth proportional to 843,029,455.36, 1,163,394,421.84 and 461,545,126.08 is: 636,939,814.73
Step by Step Solution
- Step 1: Write the proportion equation
843,029,455.36 : 1,163,394,421.84 = 461,545,126.08 : x - Step 2: Convert to fraction form
843,029,455.36/1,163,394,421.84 = 461,545,126.08/x - Step 3: Cross multiply
843,029,455.36x = 1,163,394,421.84 × 461,545,126.08 - Step 4: Simplify right side
843,029,455.36x = 536,959,025,108,911,424 - Step 5: Solve for x
x = 536,959,025,108,911,424/843,029,455.36 - Step 6: Final answer
x = 636,939,814.73
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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.