Finding the Fourth Proportional to 647,562,027.83, 971,125,528.19 and 210,759,983.69
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Solution
The fourth proportional to 647,562,027.83, 971,125,528.19 and 210,759,983.69 is: 316,069,182.07
Step by Step Solution
- Step 1: Write the proportion equation
647,562,027.83 : 971,125,528.19 = 210,759,983.69 : x - Step 2: Convert to fraction form
647,562,027.83/971,125,528.19 = 210,759,983.69/x - Step 3: Cross multiply
647,562,027.83x = 971,125,528.19 × 210,759,983.69 - Step 4: Simplify right side
647,562,027.83x = 204,674,400,476,357,600 - Step 5: Solve for x
x = 204,674,400,476,357,600/647,562,027.83 - Step 6: Final answer
x = 316,069,182.07
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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.