Finding the Fourth Proportional to 995,518,607.87, 1,373,610,584.81 and 572,050,449.11
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Solution
The fourth proportional to 995,518,607.87, 1,373,610,584.81 and 572,050,449.11 is: 789,311,767.49
Step by Step Solution
- Step 1: Write the proportion equation
995,518,607.87 : 1,373,610,584.81 = 572,050,449.11 : x - Step 2: Convert to fraction form
995,518,607.87/1,373,610,584.81 = 572,050,449.11/x - Step 3: Cross multiply
995,518,607.87x = 1,373,610,584.81 × 572,050,449.11 - Step 4: Simplify right side
995,518,607.87x = 785,774,551,942,810,240 - Step 5: Solve for x
x = 785,774,551,942,810,240/995,518,607.87 - Step 6: Final answer
x = 789,311,767.49
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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.