Finding the Fourth Proportional to 1,299,883,590.64, 1,793,368,593.84 and 854,087,056.12
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Solution
The fourth proportional to 1,299,883,590.64, 1,793,368,593.84 and 854,087,056.12 is: 1,178,330,824.30
Step by Step Solution
- Step 1: Write the proportion equation
1,299,883,590.64 : 1,793,368,593.84 = 854,087,056.12 : x - Step 2: Convert to fraction form
1,299,883,590.64/1,793,368,593.84 = 854,087,056.12/x - Step 3: Cross multiply
1,299,883,590.64x = 1,793,368,593.84 × 854,087,056.12 - Step 4: Simplify right side
1,299,883,590.64x = 1,531,692,902,850,869,504 - Step 5: Solve for x
x = 1,531,692,902,850,869,504/1,299,883,590.64 - Step 6: Final answer
x = 1,178,330,824.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.