Finding the Fourth Proportional to 2,320,498,967.20, 3,480,748,450.80 and 788,689,175.20
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Solution
The fourth proportional to 2,320,498,967.20, 3,480,748,450.80 and 788,689,175.20 is: 1,183,033,762.80
Step by Step Solution
- Step 1: Write the proportion equation
2,320,498,967.20 : 3,480,748,450.80 = 788,689,175.20 : x - Step 2: Convert to fraction form
2,320,498,967.20/3,480,748,450.80 = 788,689,175.20/x - Step 3: Cross multiply
2,320,498,967.20x = 3,480,748,450.80 × 788,689,175.20 - Step 4: Simplify right side
2,320,498,967.20x = 2,745,228,624,740,130,304 - Step 5: Solve for x
x = 2,745,228,624,740,130,304/2,320,498,967.20 - Step 6: Final answer
x = 1,183,033,762.80
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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.