Finding the Fourth Proportional to 2,349,731,188.48, 3,242,690,199.12 and 1,292,486,399.68
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Solution
The fourth proportional to 2,349,731,188.48, 3,242,690,199.12 and 1,292,486,399.68 is: 1,783,664,872.51
Step by Step Solution
- Step 1: Write the proportion equation
2,349,731,188.48 : 3,242,690,199.12 = 1,292,486,399.68 : x - Step 2: Convert to fraction form
2,349,731,188.48/3,242,690,199.12 = 1,292,486,399.68/x - Step 3: Cross multiply
2,349,731,188.48x = 3,242,690,199.12 × 1,292,486,399.68 - Step 4: Simplify right side
2,349,731,188.48x = 4,191,132,980,738,231,296 - Step 5: Solve for x
x = 4,191,132,980,738,231,296/2,349,731,188.48 - Step 6: Final answer
x = 1,783,664,872.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.