Finding the Fourth Proportional to 623,037,448.91, 860,056,416.84 and 388,204,133.75
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Solution
The fourth proportional to 623,037,448.91, 860,056,416.84 and 388,204,133.75 is: 535,886,657.95
Step by Step Solution
- Step 1: Write the proportion equation
623,037,448.91 : 860,056,416.84 = 388,204,133.75 : x - Step 2: Convert to fraction form
623,037,448.91/860,056,416.84 = 388,204,133.75/x - Step 3: Cross multiply
623,037,448.91x = 860,056,416.84 × 388,204,133.75 - Step 4: Simplify right side
623,037,448.91x = 333,877,456,271,200,832 - Step 5: Solve for x
x = 333,877,456,271,200,832/623,037,448.91 - Step 6: Final answer
x = 535,886,657.95
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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.