Finding the Fourth Proportional to 2,447,531,765.40, 3,671,293,099.14 and 766,945,942.68
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Solution
The fourth proportional to 2,447,531,765.40, 3,671,293,099.14 and 766,945,942.68 is: 1,150,417,488.58
Step by Step Solution
- Step 1: Write the proportion equation
2,447,531,765.40 : 3,671,293,099.14 = 766,945,942.68 : x - Step 2: Convert to fraction form
2,447,531,765.40/3,671,293,099.14 = 766,945,942.68/x - Step 3: Cross multiply
2,447,531,765.40x = 3,671,293,099.14 × 766,945,942.68 - Step 4: Simplify right side
2,447,531,765.40x = 2,815,683,346,774,505,472 - Step 5: Solve for x
x = 2,815,683,346,774,505,472/2,447,531,765.40 - Step 6: Final answer
x = 1,150,417,488.58
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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.