Finding the Fourth Proportional to 1,068,915,303.22, 1,474,578,932.62 and 927,588,164.74
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Solution
The fourth proportional to 1,068,915,303.22, 1,474,578,932.62 and 927,588,164.74 is: 1,279,616,786.99
Step by Step Solution
- Step 1: Write the proportion equation
1,068,915,303.22 : 1,474,578,932.62 = 927,588,164.74 : x - Step 2: Convert to fraction form
1,068,915,303.22/1,474,578,932.62 = 927,588,164.74/x - Step 3: Cross multiply
1,068,915,303.22x = 1,474,578,932.62 × 927,588,164.74 - Step 4: Simplify right side
1,068,915,303.22x = 1,367,801,965,873,253,888 - Step 5: Solve for x
x = 1,367,801,965,873,253,888/1,068,915,303.22 - Step 6: Final answer
x = 1,279,616,786.99
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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.