Finding the Fourth Proportional to 383,769,698.19, 529,602,179.76 and 207,557,688.48
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Solution
The fourth proportional to 383,769,698.19, 529,602,179.76 and 207,557,688.48 is: 286,429,608.08
Step by Step Solution
- Step 1: Write the proportion equation
383,769,698.19 : 529,602,179.76 = 207,557,688.48 : x - Step 2: Convert to fraction form
383,769,698.19/529,602,179.76 = 207,557,688.48/x - Step 3: Cross multiply
383,769,698.19x = 529,602,179.76 × 207,557,688.48 - Step 4: Simplify right side
383,769,698.19x = 109,923,004,244,955,040 - Step 5: Solve for x
x = 109,923,004,244,955,040/383,769,698.19 - Step 6: Final answer
x = 286,429,608.08
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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.