Finding the Fourth Proportional to 307,874,476.71, 424,705,698.86 and 190,362,242.79
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Solution
The fourth proportional to 307,874,476.71, 424,705,698.86 and 190,362,242.79 is: 262,600,298.09
Step by Step Solution
- Step 1: Write the proportion equation
307,874,476.71 : 424,705,698.86 = 190,362,242.79 : x - Step 2: Convert to fraction form
307,874,476.71/424,705,698.86 = 190,362,242.79/x - Step 3: Cross multiply
307,874,476.71x = 424,705,698.86 × 190,362,242.79 - Step 4: Simplify right side
307,874,476.71x = 80,847,929,359,732,128 - Step 5: Solve for x
x = 80,847,929,359,732,128/307,874,476.71 - Step 6: Final answer
x = 262,600,298.09
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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.