Finding the Fourth Proportional to 1,359,708,984,843.90, 1,876,424,516,779.20 and 742,436,177,285.80
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Solution
The fourth proportional to 1,359,708,984,843.90, 1,876,424,516,779.20 and 742,436,177,285.80 is: 1,024,576,185,589.33
Step by Step Solution
- Step 1: Write the proportion equation
1,359,708,984,843.90 : 1,876,424,516,779.20 = 742,436,177,285.80 : x - Step 2: Convert to fraction form
1,359,708,984,843.90/1,876,424,516,779.20 = 742,436,177,285.80/x - Step 3: Cross multiply
1,359,708,984,843.90x = 1,876,424,516,779.20 × 742,436,177,285.80 - Step 4: Simplify right side
1,359,708,984,843.90x = 1,393,125,445,202,903,692,214,272 - Step 5: Solve for x
x = 1,393,125,445,202,903,692,214,272/1,359,708,984,843.90 - Step 6: Final answer
x = 1,024,576,185,589.33
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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.