Finding the Fourth Proportional to 1,299,883,376.35, 1,793,368,298.86 and 854,086,841.83
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Solution
The fourth proportional to 1,299,883,376.35, 1,793,368,298.86 and 854,086,841.83 is: 1,178,330,529.09
Step by Step Solution
- Step 1: Write the proportion equation
1,299,883,376.35 : 1,793,368,298.86 = 854,086,841.83 : x - Step 2: Convert to fraction form
1,299,883,376.35/1,793,368,298.86 = 854,086,841.83/x - Step 3: Cross multiply
1,299,883,376.35x = 1,793,368,298.86 × 854,086,841.83 - Step 4: Simplify right side
1,299,883,376.35x = 1,531,692,266,611,376,896 - Step 5: Solve for x
x = 1,531,692,266,611,376,896/1,299,883,376.35 - Step 6: Final answer
x = 1,178,330,529.09
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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.