Finding the Fourth Proportional to 7,868,303,987.28, 11,801,163,195.30 and 2,825,116,451.67
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Solution
The fourth proportional to 7,868,303,987.28, 11,801,163,195.30 and 2,825,116,451.67 is: 4,237,210,502.52
Step by Step Solution
- Step 1: Write the proportion equation
7,868,303,987.28 : 11,801,163,195.30 = 2,825,116,451.67 : x - Step 2: Convert to fraction form
7,868,303,987.28/11,801,163,195.30 = 2,825,116,451.67/x - Step 3: Cross multiply
7,868,303,987.28x = 11,801,163,195.30 × 2,825,116,451.67 - Step 4: Simplify right side
7,868,303,987.28x = 33,339,660,291,884,535,808 - Step 5: Solve for x
x = 33,339,660,291,884,535,808/7,868,303,987.28 - Step 6: Final answer
x = 4,237,210,502.52
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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.