Finding the Fourth Proportional to 576,293,713.02, 795,285,155.49 and 311,975,509.95
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Solution
The fourth proportional to 576,293,713.02, 795,285,155.49 and 311,975,509.95 is: 430,526,112.53
Step by Step Solution
- Step 1: Write the proportion equation
576,293,713.02 : 795,285,155.49 = 311,975,509.95 : x - Step 2: Convert to fraction form
576,293,713.02/795,285,155.49 = 311,975,509.95/x - Step 3: Cross multiply
576,293,713.02x = 795,285,155.49 × 311,975,509.95 - Step 4: Simplify right side
576,293,713.02x = 248,109,491,939,657,792 - Step 5: Solve for x
x = 248,109,491,939,657,792/576,293,713.02 - Step 6: Final answer
x = 430,526,112.53
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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.