Finding the Fourth Proportional to 408,823,986.97, 564,174,232 and 223,185,002.68
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Solution
The fourth proportional to 408,823,986.97, 564,174,232 and 223,185,002.68 is: 307,993,736.90
Step by Step Solution
- Step 1: Write the proportion equation
408,823,986.97 : 564,174,232 = 223,185,002.68 : x - Step 2: Convert to fraction form
408,823,986.97/564,174,232 = 223,185,002.68/x - Step 3: Cross multiply
408,823,986.97x = 564,174,232 × 223,185,002.68 - Step 4: Simplify right side
408,823,986.97x = 125,915,227,480,906,944 - Step 5: Solve for x
x = 125,915,227,480,906,944/408,823,986.97 - Step 6: Final answer
x = 307,993,736.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.