Finding the Fourth Proportional to 1,327,851,616.56, 1,991,785,008.94 and 551,497,277.68
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Solution
The fourth proportional to 1,327,851,616.56, 1,991,785,008.94 and 551,497,277.68 is: 827,249,066.43
Step by Step Solution
- Step 1: Write the proportion equation
1,327,851,616.56 : 1,991,785,008.94 = 551,497,277.68 : x - Step 2: Convert to fraction form
1,327,851,616.56/1,991,785,008.94 = 551,497,277.68/x - Step 3: Cross multiply
1,327,851,616.56x = 1,991,785,008.94 × 551,497,277.68 - Step 4: Simplify right side
1,327,851,616.56x = 1,098,464,010,154,244,352 - Step 5: Solve for x
x = 1,098,464,010,154,244,352/1,327,851,616.56 - Step 6: Final answer
x = 827,249,066.43
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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.