Finding the Fourth Proportional to 1,252,881,392.11, 1,879,310,120.41 and 761,730,263.53
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Solution
The fourth proportional to 1,252,881,392.11, 1,879,310,120.41 and 761,730,263.53 is: 1,142,588,119.11
Step by Step Solution
- Step 1: Write the proportion equation
1,252,881,392.11 : 1,879,310,120.41 = 761,730,263.53 : x - Step 2: Convert to fraction form
1,252,881,392.11/1,879,310,120.41 = 761,730,263.53/x - Step 3: Cross multiply
1,252,881,392.11x = 1,879,310,120.41 × 761,730,263.53 - Step 4: Simplify right side
1,252,881,392.11x = 1,431,527,393,270,797,312 - Step 5: Solve for x
x = 1,431,527,393,270,797,312/1,252,881,392.11 - Step 6: Final answer
x = 1,142,588,119.11
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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.