Finding the Fourth Proportional to 474,749,662.11, 712,059,848.46 and 124,966,437.09
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Solution
The fourth proportional to 474,749,662.11, 712,059,848.46 and 124,966,437.09 is: 187,432,639.47
Step by Step Solution
- Step 1: Write the proportion equation
474,749,662.11 : 712,059,848.46 = 124,966,437.09 : x - Step 2: Convert to fraction form
474,749,662.11/712,059,848.46 = 124,966,437.09/x - Step 3: Cross multiply
474,749,662.11x = 712,059,848.46 × 124,966,437.09 - Step 4: Simplify right side
474,749,662.11x = 88,983,582,256,891,536 - Step 5: Solve for x
x = 88,983,582,256,891,536/474,749,662.11 - Step 6: Final answer
x = 187,432,639.47
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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.