Finding the Fourth Proportional to 7,834,648,909.70, 10,811,708,491.79 and 4,447,528,628.81
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Solution
The fourth proportional to 7,834,648,909.70, 10,811,708,491.79 and 4,447,528,628.81 is: 6,137,528,764.56
Step by Step Solution
- Step 1: Write the proportion equation
7,834,648,909.70 : 10,811,708,491.79 = 4,447,528,628.81 : x - Step 2: Convert to fraction form
7,834,648,909.70/10,811,708,491.79 = 4,447,528,628.81/x - Step 3: Cross multiply
7,834,648,909.70x = 10,811,708,491.79 × 4,447,528,628.81 - Step 4: Simplify right side
7,834,648,909.70x = 48,085,383,043,507,920,896 - Step 5: Solve for x
x = 48,085,383,043,507,920,896/7,834,648,909.70 - Step 6: Final answer
x = 6,137,528,764.56
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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.