Finding the Fourth Proportional to 473,947,724.68, 653,889,454.31 and 275,667,129.09
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Solution
The fourth proportional to 473,947,724.68, 653,889,454.31 and 275,667,129.09 is: 380,328,502.97
Step by Step Solution
- Step 1: Write the proportion equation
473,947,724.68 : 653,889,454.31 = 275,667,129.09 : x - Step 2: Convert to fraction form
473,947,724.68/653,889,454.31 = 275,667,129.09/x - Step 3: Cross multiply
473,947,724.68x = 653,889,454.31 × 275,667,129.09 - Step 4: Simplify right side
473,947,724.68x = 180,255,828,612,553,568 - Step 5: Solve for x
x = 180,255,828,612,553,568/473,947,724.68 - Step 6: Final answer
x = 380,328,502.97
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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.