Finding the Fourth Proportional to 497,664,376.20, 746,496,564.30 and 316,713,745.80
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Solution
The fourth proportional to 497,664,376.20, 746,496,564.30 and 316,713,745.80 is: 475,070,618.70
Step by Step Solution
- Step 1: Write the proportion equation
497,664,376.20 : 746,496,564.30 = 316,713,745.80 : x - Step 2: Convert to fraction form
497,664,376.20/746,496,564.30 = 316,713,745.80/x - Step 3: Cross multiply
497,664,376.20x = 746,496,564.30 × 316,713,745.80 - Step 4: Simplify right side
497,664,376.20x = 236,425,723,106,283,552 - Step 5: Solve for x
x = 236,425,723,106,283,552/497,664,376.20 - Step 6: Final answer
x = 475,070,618.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.