Finding the Fourth Proportional to 539,273,723.22, 808,195,474.93 and 276,947,678.06
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Solution
The fourth proportional to 539,273,723.22, 808,195,474.93 and 276,947,678.06 is: 415,054,267.55
Step by Step Solution
- Step 1: Write the proportion equation
539,273,723.22 : 808,195,474.93 = 276,947,678.06 : x - Step 2: Convert to fraction form
539,273,723.22/808,195,474.93 = 276,947,678.06/x - Step 3: Cross multiply
539,273,723.22x = 808,195,474.93 × 276,947,678.06 - Step 4: Simplify right side
539,273,723.22x = 223,827,860,200,382,784 - Step 5: Solve for x
x = 223,827,860,200,382,784/539,273,723.22 - Step 6: Final answer
x = 415,054,267.55
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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.