Finding the Fourth Proportional to 7,618,797,665.20, 11,429,668,223.12 and 2,896,752,432.76
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Solution
The fourth proportional to 7,618,797,665.20, 11,429,668,223.12 and 2,896,752,432.76 is: 4,345,688,215.63
Step by Step Solution
- Step 1: Write the proportion equation
7,618,797,665.20 : 11,429,668,223.12 = 2,896,752,432.76 : x - Step 2: Convert to fraction form
7,618,797,665.20/11,429,668,223.12 = 2,896,752,432.76/x - Step 3: Cross multiply
7,618,797,665.20x = 11,429,668,223.12 × 2,896,752,432.76 - Step 4: Simplify right side
7,618,797,665.20x = 33,108,919,230,962,532,352 - Step 5: Solve for x
x = 33,108,919,230,962,532,352/7,618,797,665.20 - Step 6: Final answer
x = 4,345,688,215.63
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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.