Finding the Fourth Proportional to 3,984,552,967.19, 5,498,685,182.14 and 2,176,089,594.29
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Solution
The fourth proportional to 3,984,552,967.19, 5,498,685,182.14 and 2,176,089,594.29 is: 3,003,004,780.12
Step by Step Solution
- Step 1: Write the proportion equation
3,984,552,967.19 : 5,498,685,182.14 = 2,176,089,594.29 : x - Step 2: Convert to fraction form
3,984,552,967.19/5,498,685,182.14 = 2,176,089,594.29/x - Step 3: Cross multiply
3,984,552,967.19x = 5,498,685,182.14 × 2,176,089,594.29 - Step 4: Simplify right side
3,984,552,967.19x = 11,965,631,607,103,973,376 - Step 5: Solve for x
x = 11,965,631,607,103,973,376/3,984,552,967.19 - Step 6: Final answer
x = 3,003,004,780.12
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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.