Finding the Fourth Proportional to 658,373,457.80, 987,560,186.70 and 597,907,281.80
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Solution
The fourth proportional to 658,373,457.80, 987,560,186.70 and 597,907,281.80 is: 896,860,922.70
Step by Step Solution
- Step 1: Write the proportion equation
658,373,457.80 : 987,560,186.70 = 597,907,281.80 : x - Step 2: Convert to fraction form
658,373,457.80/987,560,186.70 = 597,907,281.80/x - Step 3: Cross multiply
658,373,457.80x = 987,560,186.70 × 597,907,281.80 - Step 4: Simplify right side
658,373,457.80x = 590,469,426,843,697,536 - Step 5: Solve for x
x = 590,469,426,843,697,536/658,373,457.80 - Step 6: Final answer
x = 896,860,922.70
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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.