Finding the Fourth Proportional to 320,911,226.58, 480,674,990.93 and 216,707,427.43
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Solution
The fourth proportional to 320,911,226.58, 480,674,990.93 and 216,707,427.43 is: 324,593,944.02
Step by Step Solution
- Step 1: Write the proportion equation
320,911,226.58 : 480,674,990.93 = 216,707,427.43 : x - Step 2: Convert to fraction form
320,911,226.58/480,674,990.93 = 216,707,427.43/x - Step 3: Cross multiply
320,911,226.58x = 480,674,990.93 × 216,707,427.43 - Step 4: Simplify right side
320,911,226.58x = 104,165,840,714,378,896 - Step 5: Solve for x
x = 104,165,840,714,378,896/320,911,226.58 - Step 6: Final answer
x = 324,593,944.02
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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.