Finding the Fourth Proportional to 701,754,182.01, 968,382,405 and 384,152,987.75
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Solution
The fourth proportional to 701,754,182.01, 968,382,405 and 384,152,987.75 is: 530,110,120.75
Step by Step Solution
- Step 1: Write the proportion equation
701,754,182.01 : 968,382,405 = 384,152,987.75 : x - Step 2: Convert to fraction form
701,754,182.01/968,382,405 = 384,152,987.75/x - Step 3: Cross multiply
701,754,182.01x = 968,382,405 × 384,152,987.75 - Step 4: Simplify right side
701,754,182.01x = 372,006,994,160,438,656 - Step 5: Solve for x
x = 372,006,994,160,438,656/701,754,182.01 - Step 6: Final answer
x = 530,110,120.75
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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.