Finding the Fourth Proportional to 405,106,868.21, 607,660,309.60 and 98,396,914.37
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Solution
The fourth proportional to 405,106,868.21, 607,660,309.60 and 98,396,914.37 is: 147,595,373.32
Step by Step Solution
- Step 1: Write the proportion equation
405,106,868.21 : 607,660,309.60 = 98,396,914.37 : x - Step 2: Convert to fraction form
405,106,868.21/607,660,309.60 = 98,396,914.37/x - Step 3: Cross multiply
405,106,868.21x = 607,660,309.60 × 98,396,914.37 - Step 4: Simplify right side
405,106,868.21x = 59,791,899,446,474,592 - Step 5: Solve for x
x = 59,791,899,446,474,592/405,106,868.21 - Step 6: Final answer
x = 147,595,373.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.