Finding the Fourth Proportional to 480,335,038.70, 720,361,214.98 and 217,867,744.94
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Solution
The fourth proportional to 480,335,038.70, 720,361,214.98 and 217,867,744.94 is: 326,737,507.79
Step by Step Solution
- Step 1: Write the proportion equation
480,335,038.70 : 720,361,214.98 = 217,867,744.94 : x - Step 2: Convert to fraction form
480,335,038.70/720,361,214.98 = 217,867,744.94/x - Step 3: Cross multiply
480,335,038.70x = 720,361,214.98 × 217,867,744.94 - Step 4: Simplify right side
480,335,038.70x = 156,943,473,451,187,360 - Step 5: Solve for x
x = 156,943,473,451,187,360/480,335,038.70 - Step 6: Final answer
x = 326,737,507.79
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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.