Finding the Fourth Proportional to 2,157,869,847.60, 3,227,249,622.60 and 1,813,884,490.80
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Solution
The fourth proportional to 2,157,869,847.60, 3,227,249,622.60 and 1,813,884,490.80 is: 2,712,794,770.68
Step by Step Solution
- Step 1: Write the proportion equation
2,157,869,847.60 : 3,227,249,622.60 = 1,813,884,490.80 : x - Step 2: Convert to fraction form
2,157,869,847.60/3,227,249,622.60 = 1,813,884,490.80/x - Step 3: Cross multiply
2,157,869,847.60x = 3,227,249,622.60 × 1,813,884,490.80 - Step 4: Simplify right side
2,157,869,847.60x = 5,853,858,038,374,292,480 - Step 5: Solve for x
x = 5,853,858,038,374,292,480/2,157,869,847.60 - Step 6: Final answer
x = 2,712,794,770.68
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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.