Finding the Fourth Proportional to 7,031,968,817.90, 10,550,025,270.63 and 2,832,760,763.98
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Solution
The fourth proportional to 7,031,968,817.90, 10,550,025,270.63 and 2,832,760,763.98 is: 4,249,975,848.80
Step by Step Solution
- Step 1: Write the proportion equation
7,031,968,817.90 : 10,550,025,270.63 = 2,832,760,763.98 : x - Step 2: Convert to fraction form
7,031,968,817.90/10,550,025,270.63 = 2,832,760,763.98/x - Step 3: Cross multiply
7,031,968,817.90x = 10,550,025,270.63 × 2,832,760,763.98 - Step 4: Simplify right side
7,031,968,817.90x = 29,885,697,645,571,231,744 - Step 5: Solve for x
x = 29,885,697,645,571,231,744/7,031,968,817.90 - Step 6: Final answer
x = 4,249,975,848.80
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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.