Finding the Fourth Proportional to 839,808,727.80, 1,259,713,091.70 and 635,735,383.80
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Solution
The fourth proportional to 839,808,727.80, 1,259,713,091.70 and 635,735,383.80 is: 953,603,075.70
Step by Step Solution
- Step 1: Write the proportion equation
839,808,727.80 : 1,259,713,091.70 = 635,735,383.80 : x - Step 2: Convert to fraction form
839,808,727.80/1,259,713,091.70 = 635,735,383.80/x - Step 3: Cross multiply
839,808,727.80x = 1,259,713,091.70 × 635,735,383.80 - Step 4: Simplify right side
839,808,727.80x = 800,844,185,829,784,064 - Step 5: Solve for x
x = 800,844,185,829,784,064/839,808,727.80 - Step 6: Final answer
x = 953,603,075.70
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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.