Finding the Fourth Proportional to 5,450,757,801.78, 8,176,201,804.35 and 1,520,224,816.08
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Solution
The fourth proportional to 5,450,757,801.78, 8,176,201,804.35 and 1,520,224,816.08 is: 2,280,355,381.08
Step by Step Solution
- Step 1: Write the proportion equation
5,450,757,801.78 : 8,176,201,804.35 = 1,520,224,816.08 : x - Step 2: Convert to fraction form
5,450,757,801.78/8,176,201,804.35 = 1,520,224,816.08/x - Step 3: Cross multiply
5,450,757,801.78x = 8,176,201,804.35 × 1,520,224,816.08 - Step 4: Simplify right side
5,450,757,801.78x = 12,429,664,884,250,943,488 - Step 5: Solve for x
x = 12,429,664,884,250,943,488/5,450,757,801.78 - Step 6: Final answer
x = 2,280,355,381.08
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1.5x scale
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.