Finding the Fourth Proportional to 2,198,829,057.30, 3,298,243,585.95 and 1,326,415,511.70
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Solution
The fourth proportional to 2,198,829,057.30, 3,298,243,585.95 and 1,326,415,511.70 is: 1,989,623,267.55
Step by Step Solution
- Step 1: Write the proportion equation
2,198,829,057.30 : 3,298,243,585.95 = 1,326,415,511.70 : x - Step 2: Convert to fraction form
2,198,829,057.30/3,298,243,585.95 = 1,326,415,511.70/x - Step 3: Cross multiply
2,198,829,057.30x = 3,298,243,585.95 × 1,326,415,511.70 - Step 4: Simplify right side
2,198,829,057.30x = 4,374,841,453,769,112,064 - Step 5: Solve for x
x = 4,374,841,453,769,112,064/2,198,829,057.30 - Step 6: Final answer
x = 1,989,623,267.55
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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.