Finding the Fourth Proportional to 300,396,707.84, 450,645,936.16 and 103,606,688.93
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Solution
The fourth proportional to 300,396,707.84, 450,645,936.16 and 103,606,688.93 is: 155,427,579.95
Step by Step Solution
- Step 1: Write the proportion equation
300,396,707.84 : 450,645,936.16 = 103,606,688.93 : x - Step 2: Convert to fraction form
300,396,707.84/450,645,936.16 = 103,606,688.93/x - Step 3: Cross multiply
300,396,707.84x = 450,645,936.16 × 103,606,688.93 - Step 4: Simplify right side
300,396,707.84x = 46,689,933,325,297,768 - Step 5: Solve for x
x = 46,689,933,325,297,768/300,396,707.84 - Step 6: Final answer
x = 155,427,579.95
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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.