Finding the Fourth Proportional to 843,111,339.90, 1,163,468,660.31 and 466,784,700
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Solution
The fourth proportional to 843,111,339.90, 1,163,468,660.31 and 466,784,700 is: 644,149,051.09
Step by Step Solution
- Step 1: Write the proportion equation
843,111,339.90 : 1,163,468,660.31 = 466,784,700 : x - Step 2: Convert to fraction form
843,111,339.90/1,163,468,660.31 = 466,784,700/x - Step 3: Cross multiply
843,111,339.90x = 1,163,468,660.31 × 466,784,700 - Step 4: Simplify right side
843,111,339.90x = 543,089,369,562,205,248 - Step 5: Solve for x
x = 543,089,369,562,205,248/843,111,339.90 - Step 6: Final answer
x = 644,149,051.09
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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.