Finding the Fourth Proportional to 390,157,040.93, 585,734,981.11 and 335,176,625.68
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Solution
The fourth proportional to 390,157,040.93, 585,734,981.11 and 335,176,625.68 is: 503,193,980.67
Step by Step Solution
- Step 1: Write the proportion equation
390,157,040.93 : 585,734,981.11 = 335,176,625.68 : x - Step 2: Convert to fraction form
390,157,040.93/585,734,981.11 = 335,176,625.68/x - Step 3: Cross multiply
390,157,040.93x = 585,734,981.11 × 335,176,625.68 - Step 4: Simplify right side
390,157,040.93x = 196,324,674,508,886,048 - Step 5: Solve for x
x = 196,324,674,508,886,048/390,157,040.93 - Step 6: Final answer
x = 503,193,980.67
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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.