Finding the Fourth Proportional to 484,197,106.86, 668,398,184.12 and 325,519,257.15
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Solution
The fourth proportional to 484,197,106.86, 668,398,184.12 and 325,519,257.15 is: 449,355,184.68
Step by Step Solution
- Step 1: Write the proportion equation
484,197,106.86 : 668,398,184.12 = 325,519,257.15 : x - Step 2: Convert to fraction form
484,197,106.86/668,398,184.12 = 325,519,257.15/x - Step 3: Cross multiply
484,197,106.86x = 668,398,184.12 × 325,519,257.15 - Step 4: Simplify right side
484,197,106.86x = 217,576,480,375,965,088 - Step 5: Solve for x
x = 217,576,480,375,965,088/484,197,106.86 - Step 6: Final answer
x = 449,355,184.68
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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.