Finding the Fourth Proportional to 705,414,024.42, 972,035,717.67 and 545,673,700.05
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Solution
The fourth proportional to 705,414,024.42, 972,035,717.67 and 545,673,700.05 is: 751,919,168.43
Step by Step Solution
- Step 1: Write the proportion equation
705,414,024.42 : 972,035,717.67 = 545,673,700.05 : x - Step 2: Convert to fraction form
705,414,024.42/972,035,717.67 = 545,673,700.05/x - Step 3: Cross multiply
705,414,024.42x = 972,035,717.67 × 545,673,700.05 - Step 4: Simplify right side
705,414,024.42x = 530,414,326,641,745,984 - Step 5: Solve for x
x = 530,414,326,641,745,984/705,414,024.42 - Step 6: Final answer
x = 751,919,168.43
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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.