Finding the Fourth Proportional to 497,664,415.60, 746,496,623.40 and 494,641,106.80
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Solution
The fourth proportional to 497,664,415.60, 746,496,623.40 and 494,641,106.80 is: 741,961,660.20
Step by Step Solution
- Step 1: Write the proportion equation
497,664,415.60 : 746,496,623.40 = 494,641,106.80 : x - Step 2: Convert to fraction form
497,664,415.60/746,496,623.40 = 494,641,106.80/x - Step 3: Cross multiply
497,664,415.60x = 746,496,623.40 × 494,641,106.80 - Step 4: Simplify right side
497,664,415.60x = 369,247,916,021,038,784 - Step 5: Solve for x
x = 369,247,916,021,038,784/497,664,415.60 - Step 6: Final answer
x = 741,961,660.20
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1.5x scale
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.