Finding the Fourth Proportional to 1,681,515,099.20, 2,522,272,648.80 and 1,130,517,070.40
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Solution
The fourth proportional to 1,681,515,099.20, 2,522,272,648.80 and 1,130,517,070.40 is: 1,695,775,605.60
Step by Step Solution
- Step 1: Write the proportion equation
1,681,515,099.20 : 2,522,272,648.80 = 1,130,517,070.40 : x - Step 2: Convert to fraction form
1,681,515,099.20/2,522,272,648.80 = 1,130,517,070.40/x - Step 3: Cross multiply
1,681,515,099.20x = 2,522,272,648.80 × 1,130,517,070.40 - Step 4: Simplify right side
1,681,515,099.20x = 2,851,472,285,671,424,512 - Step 5: Solve for x
x = 2,851,472,285,671,424,512/1,681,515,099.20 - Step 6: Final answer
x = 1,695,775,605.60
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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.