Finding the Fourth Proportional to 7,338,576,133.80, 10,303,030,351.80 and 7,338,576,133.80
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Solution
The fourth proportional to 7,338,576,133.80, 10,303,030,351.80 and 7,338,576,133.80 is: 10,303,030,351.80
Step by Step Solution
- Step 1: Write the proportion equation
7,338,576,133.80 : 10,303,030,351.80 = 7,338,576,133.80 : x - Step 2: Convert to fraction form
7,338,576,133.80/10,303,030,351.80 = 7,338,576,133.80/x - Step 3: Cross multiply
7,338,576,133.80x = 10,303,030,351.80 × 7,338,576,133.80 - Step 4: Simplify right side
7,338,576,133.80x = 75,609,572,645,536,497,664 - Step 5: Solve for x
x = 75,609,572,645,536,497,664/7,338,576,133.80 - Step 6: Final answer
x = 10,303,030,351.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.