Finding the Fourth Proportional to 396,039,245.80, 594,058,868.70 and 232,355,417.80
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Solution
The fourth proportional to 396,039,245.80, 594,058,868.70 and 232,355,417.80 is: 348,533,126.70
Step by Step Solution
- Step 1: Write the proportion equation
396,039,245.80 : 594,058,868.70 = 232,355,417.80 : x - Step 2: Convert to fraction form
396,039,245.80/594,058,868.70 = 232,355,417.80/x - Step 3: Cross multiply
396,039,245.80x = 594,058,868.70 × 232,355,417.80 - Step 4: Simplify right side
396,039,245.80x = 138,032,796,634,583,856 - Step 5: Solve for x
x = 138,032,796,634,583,856/396,039,245.80 - Step 6: Final answer
x = 348,533,126.70
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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.