Finding the Fourth Proportional to 276,299,879.59, 381,465,911.91 and 175,884,974.53
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Solution
The fourth proportional to 276,299,879.59, 381,465,911.91 and 175,884,974.53 is: 242,830,805.07
Step by Step Solution
- Step 1: Write the proportion equation
276,299,879.59 : 381,465,911.91 = 175,884,974.53 : x - Step 2: Convert to fraction form
276,299,879.59/381,465,911.91 = 175,884,974.53/x - Step 3: Cross multiply
276,299,879.59x = 381,465,911.91 × 175,884,974.53 - Step 4: Simplify right side
276,299,879.59x = 67,094,122,200,353,576 - Step 5: Solve for x
x = 67,094,122,200,353,576/276,299,879.59 - Step 6: Final answer
x = 242,830,805.07
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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.