Finding the Fourth Proportional to 2,102,208,448.78, 3,153,626,169.90 and 774,134,295.58
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Solution
The fourth proportional to 2,102,208,448.78, 3,153,626,169.90 and 774,134,295.58 is: 1,161,316,887.95
Step by Step Solution
- Step 1: Write the proportion equation
2,102,208,448.78 : 3,153,626,169.90 = 774,134,295.58 : x - Step 2: Convert to fraction form
2,102,208,448.78/3,153,626,169.90 = 774,134,295.58/x - Step 3: Cross multiply
2,102,208,448.78x = 3,153,626,169.90 × 774,134,295.58 - Step 4: Simplify right side
2,102,208,448.78x = 2,441,330,173,558,190,080 - Step 5: Solve for x
x = 2,441,330,173,558,190,080/2,102,208,448.78 - Step 6: Final answer
x = 1,161,316,887.95
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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.