Finding the Fourth Proportional to 653,184,115.05, 979,776,172.58 and 576,656,611.05
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Solution
The fourth proportional to 653,184,115.05, 979,776,172.58 and 576,656,611.05 is: 864,984,916.58
Step by Step Solution
- Step 1: Write the proportion equation
653,184,115.05 : 979,776,172.58 = 576,656,611.05 : x - Step 2: Convert to fraction form
653,184,115.05/979,776,172.58 = 576,656,611.05/x - Step 3: Cross multiply
653,184,115.05x = 979,776,172.58 × 576,656,611.05 - Step 4: Simplify right side
653,184,115.05x = 564,994,407,264,639,424 - Step 5: Solve for x
x = 564,994,407,264,639,424/653,184,115.05 - Step 6: Final answer
x = 864,984,916.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.