Finding the Fourth Proportional to 1,120,374,795.56, 1,680,568,592.44 and 465,325,822.14
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Solution
The fourth proportional to 1,120,374,795.56, 1,680,568,592.44 and 465,325,822.14 is: 697,991,390.95
Step by Step Solution
- Step 1: Write the proportion equation
1,120,374,795.56 : 1,680,568,592.44 = 465,325,822.14 : x - Step 2: Convert to fraction form
1,120,374,795.56/1,680,568,592.44 = 465,325,822.14/x - Step 3: Cross multiply
1,120,374,795.56x = 1,680,568,592.44 × 465,325,822.14 - Step 4: Simplify right side
1,120,374,795.56x = 782,011,961,935,521,152 - Step 5: Solve for x
x = 782,011,961,935,521,152/1,120,374,795.56 - Step 6: Final answer
x = 697,991,390.95
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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.