Finding the Fourth Proportional to 750,420,678.02, 1,035,580,633.80 and 415,914,796.70
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Solution
The fourth proportional to 750,420,678.02, 1,035,580,633.80 and 415,914,796.70 is: 573,962,473.84
Step by Step Solution
- Step 1: Write the proportion equation
750,420,678.02 : 1,035,580,633.80 = 415,914,796.70 : x - Step 2: Convert to fraction form
750,420,678.02/1,035,580,633.80 = 415,914,796.70/x - Step 3: Cross multiply
750,420,678.02x = 1,035,580,633.80 × 415,914,796.70 - Step 4: Simplify right side
750,420,678.02x = 430,713,308,773,384,128 - Step 5: Solve for x
x = 430,713,308,773,384,128/750,420,678.02 - Step 6: Final answer
x = 573,962,473.84
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1.5x scale
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.