Finding the Fourth Proportional to 1,107,557,592.12, 1,528,259,698.08 and 637,568,097.48
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Solution
The fourth proportional to 1,107,557,592.12, 1,528,259,698.08 and 637,568,097.48 is: 879,746,240.82
Step by Step Solution
- Step 1: Write the proportion equation
1,107,557,592.12 : 1,528,259,698.08 = 637,568,097.48 : x - Step 2: Convert to fraction form
1,107,557,592.12/1,528,259,698.08 = 637,568,097.48/x - Step 3: Cross multiply
1,107,557,592.12x = 1,528,259,698.08 × 637,568,097.48 - Step 4: Simplify right side
1,107,557,592.12x = 974,369,628,160,224,768 - Step 5: Solve for x
x = 974,369,628,160,224,768/1,107,557,592.12 - Step 6: Final answer
x = 879,746,240.82
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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.