Finding the Fourth Proportional to 864,582,701.04, 1,193,122,550.16 and 468,105,642
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Solution
The fourth proportional to 864,582,701.04, 1,193,122,550.16 and 468,105,642 is: 645,984,931.99
Step by Step Solution
- Step 1: Write the proportion equation
864,582,701.04 : 1,193,122,550.16 = 468,105,642 : x - Step 2: Convert to fraction form
864,582,701.04/1,193,122,550.16 = 468,105,642/x - Step 3: Cross multiply
864,582,701.04x = 1,193,122,550.16 × 468,105,642 - Step 4: Simplify right side
864,582,701.04x = 558,507,397,327,324,032 - Step 5: Solve for x
x = 558,507,397,327,324,032/864,582,701.04 - Step 6: Final answer
x = 645,984,931.99
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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.