Finding the Fourth Proportional to 2,201,739,291.40, 3,038,400,722.94 and 1,211,664,708.40
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Solution
The fourth proportional to 2,201,739,291.40, 3,038,400,722.94 and 1,211,664,708.40 is: 1,672,097,573.20
Step by Step Solution
- Step 1: Write the proportion equation
2,201,739,291.40 : 3,038,400,722.94 = 1,211,664,708.40 : x - Step 2: Convert to fraction form
2,201,739,291.40/3,038,400,722.94 = 1,211,664,708.40/x - Step 3: Cross multiply
2,201,739,291.40x = 3,038,400,722.94 × 1,211,664,708.40 - Step 4: Simplify right side
2,201,739,291.40x = 3,681,522,925,963,444,736 - Step 5: Solve for x
x = 3,681,522,925,963,444,736/2,201,739,291.40 - Step 6: Final answer
x = 1,672,097,573.20
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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.