Finding the Fourth Proportional to 3,619,962,023.80, 5,429,943,035.70 and 1,438,928,159.80
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Solution
The fourth proportional to 3,619,962,023.80, 5,429,943,035.70 and 1,438,928,159.80 is: 2,158,392,239.70
Step by Step Solution
- Step 1: Write the proportion equation
3,619,962,023.80 : 5,429,943,035.70 = 1,438,928,159.80 : x - Step 2: Convert to fraction form
3,619,962,023.80/5,429,943,035.70 = 1,438,928,159.80/x - Step 3: Cross multiply
3,619,962,023.80x = 5,429,943,035.70 × 1,438,928,159.80 - Step 4: Simplify right side
3,619,962,023.80x = 7,813,297,940,178,626,560 - Step 5: Solve for x
x = 7,813,297,940,178,626,560/3,619,962,023.80 - Step 6: Final answer
x = 2,158,392,239.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.