Finding the Fourth Proportional to 556,873,132.80, 768,551,727.84 and 333,977,438.88
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Solution
The fourth proportional to 556,873,132.80, 768,551,727.84 and 333,977,438.88 is: 460,928,930.83
Step by Step Solution
- Step 1: Write the proportion equation
556,873,132.80 : 768,551,727.84 = 333,977,438.88 : x - Step 2: Convert to fraction form
556,873,132.80/768,551,727.84 = 333,977,438.88/x - Step 3: Cross multiply
556,873,132.80x = 768,551,727.84 × 333,977,438.88 - Step 4: Simplify right side
556,873,132.80x = 256,678,937,710,802,016 - Step 5: Solve for x
x = 256,678,937,710,802,016/556,873,132.80 - Step 6: Final answer
x = 460,928,930.83
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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.