Finding the Fourth Proportional to 1,190,077,214.56, 1,642,768,484.61 and 893,575,651.84
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Solution
The fourth proportional to 1,190,077,214.56, 1,642,768,484.61 and 893,575,651.84 is: 1,233,481,240.96
Step by Step Solution
- Step 1: Write the proportion equation
1,190,077,214.56 : 1,642,768,484.61 = 893,575,651.84 : x - Step 2: Convert to fraction form
1,190,077,214.56/1,642,768,484.61 = 893,575,651.84/x - Step 3: Cross multiply
1,190,077,214.56x = 1,642,768,484.61 × 893,575,651.84 - Step 4: Simplify right side
1,190,077,214.56x = 1,467,937,919,457,589,760 - Step 5: Solve for x
x = 1,467,937,919,457,589,760/1,190,077,214.56 - Step 6: Final answer
x = 1,233,481,240.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.