Finding the Fourth Proportional to 7,065,177,615.99, 9,750,009,589.29 and 3,893,475,332.88
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Solution
The fourth proportional to 7,065,177,615.99, 9,750,009,589.29 and 3,893,475,332.88 is: 5,373,031,492.56
Step by Step Solution
- Step 1: Write the proportion equation
7,065,177,615.99 : 9,750,009,589.29 = 3,893,475,332.88 : x - Step 2: Convert to fraction form
7,065,177,615.99/9,750,009,589.29 = 3,893,475,332.88/x - Step 3: Cross multiply
7,065,177,615.99x = 9,750,009,589.29 × 3,893,475,332.88 - Step 4: Simplify right side
7,065,177,615.99x = 37,961,421,831,244,079,104 - Step 5: Solve for x
x = 37,961,421,831,244,079,104/7,065,177,615.99 - Step 6: Final answer
x = 5,373,031,492.56
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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.