Finding the Fourth Proportional to 874,346,335.65, 1,206,595,893.74 and 498,002,850.99
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Solution
The fourth proportional to 874,346,335.65, 1,206,595,893.74 and 498,002,850.99 is: 687,242,767.05
Step by Step Solution
- Step 1: Write the proportion equation
874,346,335.65 : 1,206,595,893.74 = 498,002,850.99 : x - Step 2: Convert to fraction form
874,346,335.65/1,206,595,893.74 = 498,002,850.99/x - Step 3: Cross multiply
874,346,335.65x = 1,206,595,893.74 × 498,002,850.99 - Step 4: Simplify right side
874,346,335.65x = 600,888,195,072,857,088 - Step 5: Solve for x
x = 600,888,195,072,857,088/874,346,335.65 - Step 6: Final answer
x = 687,242,767.05
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1.5x scale
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.