Finding the Fourth Proportional to 1,681,515,511.20, 2,522,273,266.80 and 1,671,829,998.98
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Solution
The fourth proportional to 1,681,515,511.20, 2,522,273,266.80 and 1,671,829,998.98 is: 2,507,744,998.46
Step by Step Solution
- Step 1: Write the proportion equation
1,681,515,511.20 : 2,522,273,266.80 = 1,671,829,998.98 : x - Step 2: Convert to fraction form
1,681,515,511.20/2,522,273,266.80 = 1,671,829,998.98/x - Step 3: Cross multiply
1,681,515,511.20x = 2,522,273,266.80 × 1,671,829,998.98 - Step 4: Simplify right side
1,681,515,511.20x = 4,216,812,113,048,913,920 - Step 5: Solve for x
x = 4,216,812,113,048,913,920/1,681,515,511.20 - Step 6: Final answer
x = 2,507,744,998.46
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1.5x scale
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.