Finding the Fourth Proportional to 517,809,318.44, 776,708,661.42 and 299,320,637.31
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Solution
The fourth proportional to 517,809,318.44, 776,708,661.42 and 299,320,637.31 is: 448,977,882.91
Step by Step Solution
- Step 1: Write the proportion equation
517,809,318.44 : 776,708,661.42 = 299,320,637.31 : x - Step 2: Convert to fraction form
517,809,318.44/776,708,661.42 = 299,320,637.31/x - Step 3: Cross multiply
517,809,318.44x = 776,708,661.42 × 299,320,637.31 - Step 4: Simplify right side
517,809,318.44x = 232,484,931,540,431,392 - Step 5: Solve for x
x = 232,484,931,540,431,392/517,809,318.44 - Step 6: Final answer
x = 448,977,882.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.