Finding the Fourth Proportional to 713,231,997.80, 1,069,847,996.70 and 598,440,741.80
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Solution
The fourth proportional to 713,231,997.80, 1,069,847,996.70 and 598,440,741.80 is: 897,661,112.70
Step by Step Solution
- Step 1: Write the proportion equation
713,231,997.80 : 1,069,847,996.70 = 598,440,741.80 : x - Step 2: Convert to fraction form
713,231,997.80/1,069,847,996.70 = 598,440,741.80/x - Step 3: Cross multiply
713,231,997.80x = 1,069,847,996.70 × 598,440,741.80 - Step 4: Simplify right side
713,231,997.80x = 640,240,628,758,391,936 - Step 5: Solve for x
x = 640,240,628,758,391,936/713,231,997.80 - Step 6: Final answer
x = 897,661,112.70
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Double scale
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Similar ratio
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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.