Finding the Fourth Proportional to 472,396,058.70, 708,594,088.05 and 455,177,370.30
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Solution
The fourth proportional to 472,396,058.70, 708,594,088.05 and 455,177,370.30 is: 682,766,055.45
Step by Step Solution
- Step 1: Write the proportion equation
472,396,058.70 : 708,594,088.05 = 455,177,370.30 : x - Step 2: Convert to fraction form
472,396,058.70/708,594,088.05 = 455,177,370.30/x - Step 3: Cross multiply
472,396,058.70x = 708,594,088.05 × 455,177,370.30 - Step 4: Simplify right side
472,396,058.70x = 322,535,993,608,725,632 - Step 5: Solve for x
x = 322,535,993,608,725,632/472,396,058.70 - Step 6: Final answer
x = 682,766,055.45
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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.