Finding the Fourth Proportional to 1,570,782,537.60, 2,167,686,449.28 and 865,919,034.24
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Solution
The fourth proportional to 1,570,782,537.60, 2,167,686,449.28 and 865,919,034.24 is: 1,194,971,876.61
Step by Step Solution
- Step 1: Write the proportion equation
1,570,782,537.60 : 2,167,686,449.28 = 865,919,034.24 : x - Step 2: Convert to fraction form
1,570,782,537.60/2,167,686,449.28 = 865,919,034.24/x - Step 3: Cross multiply
1,570,782,537.60x = 2,167,686,449.28 × 865,919,034.24 - Step 4: Simplify right side
1,570,782,537.60x = 1,877,040,956,695,672,576 - Step 5: Solve for x
x = 1,877,040,956,695,672,576/1,570,782,537.60 - Step 6: Final answer
x = 1,194,971,876.61
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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.