Finding the Fourth Proportional to 414,661,801.63, 621,995,027.61 and 138,312,257.17
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Solution
The fourth proportional to 414,661,801.63, 621,995,027.61 and 138,312,257.17 is: 207,469,161.32
Step by Step Solution
- Step 1: Write the proportion equation
414,661,801.63 : 621,995,027.61 = 138,312,257.17 : x - Step 2: Convert to fraction form
414,661,801.63/621,995,027.61 = 138,312,257.17/x - Step 3: Cross multiply
414,661,801.63x = 621,995,027.61 × 138,312,257.17 - Step 4: Simplify right side
414,661,801.63x = 86,029,536,217,255,568 - Step 5: Solve for x
x = 86,029,536,217,255,568/414,661,801.63 - Step 6: Final answer
x = 207,469,161.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.