Finding the Fourth Proportional to 8,135,636,034.40, 12,203,567,429.52 and 2,319,545,730.40
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Solution
The fourth proportional to 8,135,636,034.40, 12,203,567,429.52 and 2,319,545,730.40 is: 3,479,350,920.70
Step by Step Solution
- Step 1: Write the proportion equation
8,135,636,034.40 : 12,203,567,429.52 = 2,319,545,730.40 : x - Step 2: Convert to fraction form
8,135,636,034.40/12,203,567,429.52 = 2,319,545,730.40/x - Step 3: Cross multiply
8,135,636,034.40x = 12,203,567,429.52 × 2,319,545,730.40 - Step 4: Simplify right side
8,135,636,034.40x = 28,306,732,726,791,622,656 - Step 5: Solve for x
x = 28,306,732,726,791,622,656/8,135,636,034.40 - Step 6: Final answer
x = 3,479,350,920.70
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1.5x scale
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.