Finding the Fourth Proportional to 559,873,603.20, 839,810,404.80 and 273,219,139.20
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Solution
The fourth proportional to 559,873,603.20, 839,810,404.80 and 273,219,139.20 is: 409,828,708.80
Step by Step Solution
- Step 1: Write the proportion equation
559,873,603.20 : 839,810,404.80 = 273,219,139.20 : x - Step 2: Convert to fraction form
559,873,603.20/839,810,404.80 = 273,219,139.20/x - Step 3: Cross multiply
559,873,603.20x = 839,810,404.80 × 273,219,139.20 - Step 4: Simplify right side
559,873,603.20x = 229,452,275,890,659,520 - Step 5: Solve for x
x = 229,452,275,890,659,520/559,873,603.20 - Step 6: Final answer
x = 409,828,708.80
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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.