Finding the Fourth Proportional to 1,691,565,549.63, 2,539,839,106.04 and 946,041,972.45
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Solution
The fourth proportional to 1,691,565,549.63, 2,539,839,106.04 and 946,041,972.45 is: 1,420,455,978.26
Step by Step Solution
- Step 1: Write the proportion equation
1,691,565,549.63 : 2,539,839,106.04 = 946,041,972.45 : x - Step 2: Convert to fraction form
1,691,565,549.63/2,539,839,106.04 = 946,041,972.45/x - Step 3: Cross multiply
1,691,565,549.63x = 2,539,839,106.04 × 946,041,972.45 - Step 4: Simplify right side
1,691,565,549.63x = 2,402,794,397,583,726,592 - Step 5: Solve for x
x = 2,402,794,397,583,726,592/1,691,565,549.63 - Step 6: Final answer
x = 1,420,455,978.26
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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.