Finding the Fourth Proportional to 576,031,375.48, 794,925,391.14 and 311,713,340.68
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Solution
The fourth proportional to 576,031,375.48, 794,925,391.14 and 311,713,340.68 is: 430,165,542.73
Step by Step Solution
- Step 1: Write the proportion equation
576,031,375.48 : 794,925,391.14 = 311,713,340.68 : x - Step 2: Convert to fraction form
576,031,375.48/794,925,391.14 = 311,713,340.68/x - Step 3: Cross multiply
576,031,375.48x = 794,925,391.14 × 311,713,340.68 - Step 4: Simplify right side
576,031,375.48x = 247,788,849,263,605,088 - Step 5: Solve for x
x = 247,788,849,263,605,088/576,031,375.48 - Step 6: Final answer
x = 430,165,542.73
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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.