Finding the Fourth Proportional to 1,889,572,531.30, 2,834,358,796.95 and 662,298,115.30
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Solution
The fourth proportional to 1,889,572,531.30, 2,834,358,796.95 and 662,298,115.30 is: 993,447,172.95
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,531.30 : 2,834,358,796.95 = 662,298,115.30 : x - Step 2: Convert to fraction form
1,889,572,531.30/2,834,358,796.95 = 662,298,115.30/x - Step 3: Cross multiply
1,889,572,531.30x = 2,834,358,796.95 × 662,298,115.30 - Step 4: Simplify right side
1,889,572,531.30x = 1,877,190,489,303,960,064 - Step 5: Solve for x
x = 1,877,190,489,303,960,064/1,889,572,531.30 - Step 6: Final answer
x = 993,447,172.95
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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.