Finding the Fourth Proportional to 1,905,956,310.81, 2,630,283,576.75 and 1,059,219,315.60
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Solution
The fourth proportional to 1,905,956,310.81, 2,630,283,576.75 and 1,059,219,315.60 is: 1,461,758,149.54
Step by Step Solution
- Step 1: Write the proportion equation
1,905,956,310.81 : 2,630,283,576.75 = 1,059,219,315.60 : x - Step 2: Convert to fraction form
1,905,956,310.81/2,630,283,576.75 = 1,059,219,315.60/x - Step 3: Cross multiply
1,905,956,310.81x = 2,630,283,576.75 × 1,059,219,315.60 - Step 4: Simplify right side
1,905,956,310.81x = 2,786,047,169,996,687,872 - Step 5: Solve for x
x = 2,786,047,169,996,687,872/1,905,956,310.81 - Step 6: Final answer
x = 1,461,758,149.54
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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.