Finding the Fourth Proportional to 703,923,475.94, 1,055,885,215.53 and 375,403,697.42
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Solution
The fourth proportional to 703,923,475.94, 1,055,885,215.53 and 375,403,697.42 is: 563,105,546.99
Step by Step Solution
- Step 1: Write the proportion equation
703,923,475.94 : 1,055,885,215.53 = 375,403,697.42 : x - Step 2: Convert to fraction form
703,923,475.94/1,055,885,215.53 = 375,403,697.42/x - Step 3: Cross multiply
703,923,475.94x = 1,055,885,215.53 × 375,403,697.42 - Step 4: Simplify right side
703,923,475.94x = 396,383,213,961,075,584 - Step 5: Solve for x
x = 396,383,213,961,075,584/703,923,475.94 - Step 6: Final answer
x = 563,105,546.99
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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.