Finding the Fourth Proportional to 430,278,226.97, 645,549,060.03 and 220,337,558.73
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Solution
The fourth proportional to 430,278,226.97, 645,549,060.03 and 220,337,558.73 is: 330,573,789.26
Step by Step Solution
- Step 1: Write the proportion equation
430,278,226.97 : 645,549,060.03 = 220,337,558.73 : x - Step 2: Convert to fraction form
430,278,226.97/645,549,060.03 = 220,337,558.73/x - Step 3: Cross multiply
430,278,226.97x = 645,549,060.03 × 220,337,558.73 - Step 4: Simplify right side
430,278,226.97x = 142,238,703,927,456,400 - Step 5: Solve for x
x = 142,238,703,927,456,400/430,278,226.97 - Step 6: Final answer
x = 330,573,789.26
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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.