Finding the Fourth Proportional to 394,594,750.65, 553,339,643.55 and 394,594,750.65
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Solution
The fourth proportional to 394,594,750.65, 553,339,643.55 and 394,594,750.65 is: 553,339,643.55
Step by Step Solution
- Step 1: Write the proportion equation
394,594,750.65 : 553,339,643.55 = 394,594,750.65 : x - Step 2: Convert to fraction form
394,594,750.65/553,339,643.55 = 394,594,750.65/x - Step 3: Cross multiply
394,594,750.65x = 553,339,643.55 × 394,594,750.65 - Step 4: Simplify right side
394,594,750.65x = 218,344,918,671,372,096 - Step 5: Solve for x
x = 218,344,918,671,372,096/394,594,750.65 - Step 6: Final answer
x = 553,339,643.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.