Finding the Fourth Proportional to 1,243,260,750.64, 1,863,971,754.80 and 751,864,774.56
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Solution
The fourth proportional to 1,243,260,750.64, 1,863,971,754.80 and 751,864,774.56 is: 1,127,241,170.03
Step by Step Solution
- Step 1: Write the proportion equation
1,243,260,750.64 : 1,863,971,754.80 = 751,864,774.56 : x - Step 2: Convert to fraction form
1,243,260,750.64/1,863,971,754.80 = 751,864,774.56/x - Step 3: Cross multiply
1,243,260,750.64x = 1,863,971,754.80 × 751,864,774.56 - Step 4: Simplify right side
1,243,260,750.64x = 1,401,454,703,208,909,568 - Step 5: Solve for x
x = 1,401,454,703,208,909,568/1,243,260,750.64 - Step 6: Final answer
x = 1,127,241,170.03
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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.