Finding the Fourth Proportional to 457,106,787.73, 630,786,254.57 and 258,869,701.09
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Solution
The fourth proportional to 457,106,787.73, 630,786,254.57 and 258,869,701.09 is: 357,228,231.03
Step by Step Solution
- Step 1: Write the proportion equation
457,106,787.73 : 630,786,254.57 = 258,869,701.09 : x - Step 2: Convert to fraction form
457,106,787.73/630,786,254.57 = 258,869,701.09/x - Step 3: Cross multiply
457,106,787.73x = 630,786,254.57 × 258,869,701.09 - Step 4: Simplify right side
457,106,787.73x = 163,291,449,170,590,144 - Step 5: Solve for x
x = 163,291,449,170,590,144/457,106,787.73 - Step 6: Final answer
x = 357,228,231.03
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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.