Finding the Fourth Proportional to 352,896,873.69, 487,011,122.01 and 196,275,306.09
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Solution
The fourth proportional to 352,896,873.69, 487,011,122.01 and 196,275,306.09 is: 270,867,395.46
Step by Step Solution
- Step 1: Write the proportion equation
352,896,873.69 : 487,011,122.01 = 196,275,306.09 : x - Step 2: Convert to fraction form
352,896,873.69/487,011,122.01 = 196,275,306.09/x - Step 3: Cross multiply
352,896,873.69x = 487,011,122.01 × 196,275,306.09 - Step 4: Simplify right side
352,896,873.69x = 95,588,257,041,747,088 - Step 5: Solve for x
x = 95,588,257,041,747,088/352,896,873.69 - Step 6: Final answer
x = 270,867,395.46
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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.