Finding the Fourth Proportional to 408,389,472.05, 563,625,117.63 and 232,203,866.31
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Solution
The fourth proportional to 408,389,472.05, 563,625,117.63 and 232,203,866.31 is: 320,468,426.40
Step by Step Solution
- Step 1: Write the proportion equation
408,389,472.05 : 563,625,117.63 = 232,203,866.31 : x - Step 2: Convert to fraction form
408,389,472.05/563,625,117.63 = 232,203,866.31/x - Step 3: Cross multiply
408,389,472.05x = 563,625,117.63 × 232,203,866.31 - Step 4: Simplify right side
408,389,472.05x = 130,875,931,463,943,104 - Step 5: Solve for x
x = 130,875,931,463,943,104/408,389,472.05 - Step 6: Final answer
x = 320,468,426.40
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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.